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Jeremy Bentham
Introduction to the Principles of Morals and Legislation

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"Mankind is governed by pain and pleasure"

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INTRODUCTION TO Introduction to the Principles of Morals and Legislation

In London on the 15th February 1748, Jeremy Bentham was born to into a wealthy ambitious Tory family. Expected to succeed as a lawyer, Jeremy got into Oxford University at the age of 12, gained his MA at 13 and began training as a barrister aged 15. Disillusioned with the chicanery of legal practice he soon retired to Westminster, where, for nearly forty years, (barring a couple spent in Russia) even in his eighties, he churned out ten to twenty manuscripts a day commenting on the laws or proposing new ones. He denounced Blackstone's revered 'Commentaries on the Laws of England' for its obsession with the unyielding "rule of law" and proposed a circular 'panopticon' design for prisons. And in between all that he came across the phrase "the greatest happiness to the greatest number" in the Italian jurist Beccaria's book 'Crimes and Punishments' and made this 'principle of utility' into both an ethical formula and a rallying-cry.

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This condensed edition is based on the abridgement first published in 1919 under the editorship of John Hammerton.


Jeremy Bentham, 1789
Introduction to the Principles of Morals and Legislation

"Mankind is governed by pain and pleasure"

Mankind is governed by pain and pleasure. Utility is that property which tends to produce happiness. The principle of utility makes utility the criterion for approval or disapproval of every kind of action. The legislator must be able to guage the value of pleasure and pain. These depend on intensity, duration, certainty or uncertainty, propinquity or remoteness; on the probable multiplication of like sensations; and on the number of persons pleasurably or painfully affected. All these being weighed together, if the pleasurable tendency predominates, the act is good; if the painful, bad. The business of government is to promote the happiness of society by rewarding and punishing, especially by punishing acts tending to diminish happiness. Hence with regard to each action we have to consider its circumstances, the intention, motive and the consequences. Punishment, being primarily mischievous, is out of place when groundless, inefficacious, unprofitable, or needless. Punishment is inefficacious when it is ex post facto, or extra-legal, or secret; in the case of irresponsible (including intoxicated) persons; and also so far as the intention of the act was incomplete, or where the act was under compulsion. It is unprofitable when the evils of the punishment outweigh the offence. It is needless when the end can be attained otherwise. Punishment must outweigh the profit of the offence to the doer; (2) the greater the mischief, the greater the expense worth incurring to prevent it; (3) alternative offences which are not equally mischievous, must not be equally punished; (4) the punishment must not be excessive. An offence - a punishable act - is constituted such by the community; though it ought not to be an offence unless contrary to utility, it may be so. Those cases described as unmeet for punishment are all within the realm of personal ethics, but outside the legislative sphere.

The Squashed Philosophers Edition of...

Introduction to the Principles of Morals and Legislation
Jeremy Bentham
Squashed version edited by Glyn Hughes © 2011

MANKIND is governed by pain and pleasure. Utility is that property in anything which tends to produce happiness in the party concerned, whether an individual or a community. The principle of utility makes utility the criterion for approval or disapproval of every kind of action. An act which conforms to this principle is one which ought to be done, or is not one which ought not to be done; is right, or, at least, not wrong. There is no other criterion possible which cannot ultimately be reduced to the personal sentiment of the individual.

The sources or sanctions of pleasure and pain are four - the physical, in the ordinary course of nature; political, officially imposed; moral or popular, imposed by public opinion; and religion. Pains under the first head are calamities; under the other three are punishments. Under the first three heads they concern the present life only. The second, third and the fourth, as concerns this life, operate through the first; but the first operates independently of the others.

Pleasures and pains, then, are the instruments with which the legislator has to work; he must, therefore, be able to gauge their relative values. These depend primarily and simply on four things - intensity, duration, certainty or uncertainty, propinquity or remoteness. Secondarily, on fecundity, the consequent probable multiplication of the like sensations; and purity, the improbability of consequent contrary sensations. Finally, on extent - the number of persons pleasurably or painfully affected. All these being weighed together, if the pleasurable tendency predominates, the act is good; if the painful, bad.

Pleasures and pains are either simple or complex - i.e., resolvable into several simple pleasures, and may be enumerated; as those of the senses, of wealth, of piety, of benevolence, of malevolence, of association, of imagination. Different persons are sensible to the same pleasure in different degrees, and the sensibility of the individual varies under different circumstances. Circumstances affecting sensibility are various - such as health, strength, sex, age, education; they may be circumstances of the body, of the mind, of the inclinations. Their influence can be reckoned approximately, but should be taken into consideration so far as is practicable.

The legislator and the judge are concerned with the existing causes of pleasure and pain, but of pain rather than pleasure - the mischiefs which it is desired to prevent, and the punishments by which it is sought to prevent them - and for the due apportionment of the latter they should have before them the complete list of punishments and of circumstances affecting sensibility. By taking the two together - with one list or the other for basis, preferably the punishment list - a classification of appropriate penalties is attainable.

An analytical summary of the circumstances affecting sensibility will distinguish as secondary - i.e. as acting not immediately but mediately through the primary - sex, age, station in life, education, climate, religion. The others, all primary, are connate - viz. radical frame of mind and body - or adventitious. The adventitious are personal or exterior. The personal concern a man's disposition of body or mind, or his actions; exterior, the things or persons he is concerned with.

The business of government is to promote the happiness of society by rewarding and punishing, especially by punishing acts tending to diminish happiness. An act demands punishment in proportion to its tendency to diminish happiness - i.e. as the sum of its consequences does so. Only such consequences are referred to as influence the production of pain or pleasure. The intention, as involving other consequences, must also be taken into consideration. And the intention depends on the state of the will and of the understanding as to the circumstances - consciousness, unconsciousness, or false consciousness of them.

Hence with regard to each action we have to consider
(1) the act itself,
(2) the circumstances,
(3) the intentionality,
(4) the attendant consciousness, and also
(5) the motive, and
(6) the general disposition indicated.

Acts are positive and negative - i.e. of commission and omission, or forbearance; external or corporal, and internal or mental; transitive, affecting some body other than the agent's, or intransitive; transient or continued (mere repetition is not the same as habit). Circumstances are material when visibly related to the consequences in point of causality, directly or indirectly. They may be criminative, or exculpative, or aggravative, or evidential.

The intention may regard the act itself only, or its consequence also - for instance, you may touch a man intentionally and by doing so cause his death unintentionally. But you cannot intend the consequences - though you may desire them - without intending the action. The consequences may be intended directly or indirectly, and may or may not be the only thing intended. The intention is good or bad as the consequences intended are good or bad.

But these actually depend on the circumstances which are independent of the intention; here the important point is the man's consciousness of the circumstances, which are objects not of the will, but of the understanding. If he is conscious of the circumstances and of their materiality, the act is advised; if not, unadvised. Unadvisedness may be due either to heedlessness or to misapprehension.

And here we may remark that we may speak of a bad intention, though the motive was good, if the consequences intended were bad, and vice versa. In this sense also, the intention may be innocent - that is, not bad, without being positively good.

Of motives, we are concerned with practical motives only, not those which are purely speculative. Those are either internal or external; either events in esse, or events in prospect. The immediate motive is an internal motive in esse- -an awakened pleasure or pain at the prospect of pleasure or pain. All others are comparatively remote.

Now, since the motive is always primarily to produce some pleasure or prevent some pain, and since pleasure is identical with good and pain with evil, it follows that no motive is in itself bad. The motive is good if it tends to produce a balance of pleasure; bad, if a balance of pain. Thus any and every motive may produce actions good, indifferent, or bad. Hence, in cataloguing motives, we must employ only neutral terms, i.e. not such as are associated with goodness - as piety, honour - or with badness - as lust, avarice.

The motives, of course, correspond to the various pleasures as previously enumerated. They may be classified as good, bad, or indifferent according as their consequences are more commonly good, bad, or indifferent; but the dangers of such classification are obvious. In fact, we cannot affirm goodness, badness, or indifference of motive, except in the particular instance.

A better classification is into the social - including good will, love of reputation, desire of amity, religion; dissocial - displeasure; self-regarding - physical desire, pecuniary interest, love of power, self-preservation.

Of all these, the dictates of good will are the surest of coinciding with utility, since utility corresponds precisely to the widest and best-advised good will. Even here, however, there may be failure, since benevolence towards one group may clash with benevolence towards another. Next stands love of reputation, which is less secure, since it may lead to asceticism and to hypocrisy. Third comes the desire of amity, valuable as the sphere in which amity is sought is extended, but also liable to breed insincerity. Religion would stand first of all if we all had a correct perception of the divine goodness; but not when we conceive of God as malevolent or capricious; and, as a matter of fact, our conception of the Deity is controlled by our personal biases.

THE self-regarding motives are, ex hypothesi, not so closely related to utility as the social motives, and the dissocial motives manifestly stand at the bottom of the scale. In respect to any particular action there may be a conflict of motives, some impelling towards it, others restraining from it; and any motive may come in conflict with any other motive.

It will be found hereafter that in the case of some offences the motive is material in the highest degree, and in others wholly immaterial; in some cases easy, and in others impossible to gauge.

Goodness or badness, then, cannot be predicated of the motive. What is good or bad in the man when actuated by one motive or another is his disposition, or permanent attitude of mind, which is good or bad as tending to produce effects beneficial to the community. It is to be considered in regard to its influence on (1) his own happiness; (2) other people's. The legislator is concerned with it so far as it is mischievous to others. A man is held to be of a mischievous disposition when it is presumed that he inclines to acts which appear to him mischievous. Here it is that 'intentionality' and 'consciousness' come in.

Where the tendency of the act is good and the motive is a social one, a good disposition is indicated; where the tendency is bad and the motive is self- regarding, a bad disposition is indicated. Otherwise, the indication of good or bad disposition may be very dubious or non-existent. Now, our problem is to measure the depravity of a man's disposition, which may be defined as the sum of his intentions. The causes of intentions are motives. The social motives may be called tutelary, as tending to restrain from mischievous intentions; but any motive may become tutelary on occasion. Love of ease, and desire of self- preservation, in the form of fear of punishment, are apt to be tutelary motives.

Now we can see that the strength of a temptation equals the sum of the impelling motives, minus the sum of the tutelary motives. Hence, the more susceptible a man is to the standing tutelary motives, the less likely is he to yield to temptation; in other words, the less depraved is his disposition. Hence, given the strength of the temptation, the mischievousness of the disposition is as the apparent mischievousness of the act. Given the apparent mischievousness of the act, the less the temptation yielded to the greater the depravity of disposition; but the stronger the temptation, the less conclusive is the evidence of depravity. It follows that the penalty should be increased - i.e. the fear of punishment should be artificially intensified, in proportion as, apart from that fear, the temptation is stronger.

We now come to consequences. The mischief of the act is the sum of its mischievous consequences, primary and secondary. The primary mischief sub- divides into original, i.e. to the sufferer in the first instance; and derivative, to the definite persons who suffer as a direct consequence, whether through their interest, or merely through sympathy.

The secondary mischiefs, affecting not specific persons but the community, are actual danger, or alarm - the apprehension of pain. For the occurrence of the act points to the possibility of its repetition; weakening the influence both of the political and of the moral sanction. An act of which the primary consequences are mischievous may have secondary beneficial consequences which altogether outweight the primary mischief - e.g. the legal punishment of crime. The circumstances influencing the secondary mischiefs of alarm and danger are the intentionality, the consciousness, the motive and the disposition; danger depending on the real, and alarm on the apparent, state of mind, though the real and the apparent coincide more commonly than not.

Between the completely intentional and completely unintentional act there are various stages, depending on the degree of consciousness, as explained above. The excellence of the motive does not obliterate the mischievousness of the act; nor vice versa; but the mischief may be aggravated by a bad motive, as pointing to greater li
elihood of repetition.

Punishment, being primarily mischievous, is out of place when groundless, inefficacious, unprofitable, or needless. Punishment is inefficacious when it is ex post facto, or extra-legal, or secret; or in the case of irresponsible (including intoxicated) persons; and also so far as the intention of the act was incomplete, or where the act was actually or practically under compulsion. It is unprofitable when under ordinary circumstances the evils of the punishment outweigh those of the offence. It is needless when the end in view can be as well or better attained otherwise.

Now, the aim of the legislator is (1) to prevent mischief altogether; (2) to minimise the inclination to do mischief; (3) to make the prevention cheap. Hence (1) the punishment must outweigh the profit of the offence to the doer; (2) the greater the mischief, the greater the expense worth incurring to prevent it; (3) alternative offences which are not equally mischievous, as robbery and robbery with murder, must not be equally punished; (4) the punishment must not be excessive, and therefore should take into account the circumstances influencing sensibility; (5) so also must the weakness of the punishment due to its remoteness, and the impelling force of habit.

The properties of punishment necessary to its adjustment to a particular offence are these: (1) variability in point of quantity, so that it shall be neither excessive nor deficient; (2) equality, so that when applied in equal degree it shall cause equal pain - e.g. banishment may mean much to one man, little to another; (3) commensurability with other punishments; (4) characteristicalness, or appropriateness; (5) exemplarity - it must not seem less than it is in fact; (6) frugality - none of the pain it causes is to be wasted. Minor desirable qualities are (7) subserviency to reformation of character; (8) efficiency in disabling from mischief; (9) subserviency to compensation; (10) popularity, i.e. accordant to common approbation; (11) remissibility.

An offence - a punishable act - is constituted such by the community; though it ought not to be an offence unless contrary to utility, it may be so. It is assumed to be a detrimental act; detrimental therefore to some person or persons, whether the offender himself or other assignable persons, or to persons not assignable.

Offences against assignable persons other than the offender form the first class; offences against individuals, or private offences, or private extra- regarding offences. The second class is formed by semi-public offences, i.e. not against assignable individuals, nor the community at large, but a separable group in the community, e.g. a class or a locality. The third class are those which are simply self-regarding; the fourth, against the community at large; the fifth, multiform or heterogeneous, comprising falsehood and breaches of trust.

The first class may be subdivided into offences against
(1) the person,
(2) reputation,
(3) to property,
(4) condition - i.e. the serviceableness to the individual or other persons,
(5) person and property together,
(6) person and reputation.

The second, semi-public, class, being acts which endanger a portion of the community, are those operating through calamity, or of mere delinquency. The latter are subdivided on the same lines as private offences. So with the third or self-regarding class.

In class four, public offences fall under eleven divisions:
(1) offences against external security - i.e. from foreign foes;
(2) against justice - i.e. the execution of justice;
(3) against the preventive branch of police;
(4) against the public force - i.e. military control;
(5) against increase of national felicity;
(6) against public wealth - i.e. the exchequer;
(7) against population;
(8) against national wealth - i.e. enrichment of the population;
(9) against sovereignty;
(10) against religion;
(11) against national interests in general.

In class five, falsehood comprises simple falsehoods, forgery, personation and perjury; again distributable like the private offences. In the case of trusts, there are two parties - the trustee and the beneficiary. Offences under this head cannot, for various reasons, be conveniently referred to offences against property or condition, which also must be kept separate from each other. As regards the existence of a trust: as against the trustee, offences are (1) wrongful non-investment of trust, and wrongful interception of trust, where the trusteeship is to his benefit; or (2) where it is troublesome, wrongful imposition of trust. Both may similarly be offences against the beneficiary. As regards the exercise of the trust, we have negative breach of trust, positive breach of trust, abuse of trust, disturbance of trust, and bribery.

We may now distribute class one - offences against the individual - into genera; to do so with the other classes would be superfluous. Simple offences against the person are actions referring to his actual person, body or mind, or external objects affecting his happiness. These must take effect either through his will, or not. In the former case, either by constraint, or restraint, confinement, or banishment. In any case the effect will be mortal or not mortal; if not mortal, reparable or irreparable injury when corporal, sufferance when mental. So the list stands - simple and irreparable corporal injuries, simple injurious restraint or constraint, wrongful confinement or banishment, homicide or menacement, actual or apprehended mental injuries.

Against reputation the genera of offences are (1) defamation, (2) vilification. Of offences against property, simple in their effects, whether by breach of trust or otherwise, the genera are: wrongful non-investment, interception, divestment, usurpation, investment of property; wrongful withholding of services, destruction, occupation, or detainment, embezzlement, theft, defraudment, extortion.

Of complex offences against person and reputation together: corporal insults, insulting menacement, seduction, and forcible seduction, simple lascivious injuries. Against person and property together: forcible interception, divestment, usurpation, investment, or destruction of property, forcible occupation of movables, forcible entry, forcible detainment of immovables robbery.

As to offences against condition: conditions are either domestic or civil; domestic relations are either purely natural, purely instituted, or mixed. Of the first, we are concerned only with the marital, parental and filial relations. Under the second head are the relations of master and servant, guardian and ward. In the case of master and servants, the headings of offences are much like those against property. Guardianship is required in the cases of infancy and insanity; again the list of offences is similar. The parental and filial relations, so far as they are affected by institutions, comprise those both of master and servant, and of guardian and ward; so that the offences are correspondent.

The relation of husband and wife also comprises those of master and guardian to servant and ward. But there are further certain reciprocal services which are the subject of the marital contract, by which polygamy and adultery are constituted offences in Christian countries, and also the refusal of conjugal rights.

From domestic conditions we pass to civil.

Eliminating all those which can be brought under the categories of trusts and domestic conditions, there remain conditions constituted by beneficial powers over things, beneficial rights to things, rights to services, and by corresponding duties; and between these and property there is no clear line of demarcation, yet we can hit upon some such conditions as separable. Such are rank and profession which entail specific obligations and rights - these are not property but conditions; as distinguished from other exclusive rights bestowed by the law, concerned with saleable articles (e.g. copyright), which convey not conditions, but property. So, naturalisation conveys the conditions of a natural born subject.

Public offences are to be catalogued in a manner similar to private offences.

My object has been to combine intelligibility with precision; technical terms lack the former quality, popular terms the latter. Hence the plan of the foregoing analysis has been to take the logical whole constituted by the sum of possible offences, dissect it in as many directions as were necessary, and carry the process down to the point where each idea could be expressed in current phraseology. Thus it becomes equally applicable to the legal concerns of all countries or systems.

The advantages of this method are: it is convenient for the memory, gives room for general propositions, points out the reason of the law, and is applicable to the laws of all nations. Hence we are able to characterise the five classes of offences. Thus, of private offences, we note that they are primarily against assignable individuals, admit of compensation and retaliation, and so on; of semi-public offences, that they are not against assignable individuals and, with self-regarding offences, admit of neither compensation nor retaliation; a series of generalisations respecting each class can be added.

The relation between penal jurisprudence and private ethics must be clarified. Both are concerned with the production of happiness. A man's private ethics are concerned with his duty to himself and to his neighbour; prudence, probity and beneficence. Those cases described as unmeet for punishment are all within the ethical, but outside the legislative, sphere, except the 'groundless' cases, which are outside both. The special field of private ethics is among the cases where punishment is 'unprofitable' or 'inefficacious,' notably those which are the concern of prudence. So with the rules of beneficence; but beneficence might well be made compulsory in a greater degree than it is. The special sphere of legislation, however, lies in the field of probity.

A work of jurisprudence is either expository of what the law is, or censorial, showing what it should be. It may relate to either local or universal jurisprudence; but if expository can hardly be more than local. It may be internal, or international; if internal, it may be national or provincial, historical or living; it may be divided into statutory and customary, into civil and penal or criminal.

Jeremy Bentham
Bentham willed his body to be dissected and preserved at University College, London. His head was replaced with a wax one (the real one is in the college safe) and the body, dressed in his own clothes, is stuffed with hay, wool, and lavender to keep moths away. Mr. Bentham, in his glass fronted mahogany case, has attended his own annual memorial dinner.

ISBN 9781326806781
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