Works written by or about Cesare Beccaria at Wikisource;

punishment should fit the crime and not be used to rehabilitate the offender;

Cesare Beccaria: Unknown to Us, Influential on Our Founders

It may be objected, that the same punishment inflicted on a nobleman and a plebeian, becomes really different from the difference of their education and from the infamy it reflects on an illustrious family; but I answer, that punishments are to be estimated, not by the sensibility of the criminal, but by the injury done to society; which injury is augmented by the high rank of the offender. The precise equality of a punishment can never be more than external, as it is in proportion to the degree of sensibility, which differs in every individual. The infamy of an innocent family may be easily obliterated by some public demonstration of favour from the sovereign; and forms have always more influence than reason on the gazing multitude.

Cesare Bonesana Beccaria was an Italian jurist and economist

Crimes of less importance are commonly punished, either in the obscurity of a prison, or the criminal is to give, by his slavery, an example to societies which he never offended; an example absolutely useless, because distant from the place where the crime was committed. Men do not, in general, commit great crimes deliberately, but rather in a sudden gust of passion; and they commonly look on the punishment due to a great crime as remote and improbable. The public punishment, therefore, of small crimes will make a greater impression, and, by deterring men from the smaller, will effectually prevent the greater.

punishment of robbery, not accompanied with violence, should be pecuniary. He who endeavours to enrich himself with the property of another, should be deprived of part of his own. But this crime, alas! is commonly the effect of misery and despair; the crime of that unhappy part of mankind, to whom the right of exclusive property, a terrible, and perhaps unnecessary right, has left but a bare existence. Besides, as pecuniary punishment may increase the number of poor, and may deprive an innocent family of subsistence, the most proper punishment will be that kind of slavery, which alone can be called just; that is, which makes the society, for a time, absolute master of the person and labour of the criminal, in order to oblige him to repair, by this dependence, the unjust despotism he usurped over the property of another, and his violation of the social compact.

An Essay on Crimes and Punishments (1764) by Cesare Beccaria, ..

An immediate punishment is more useful; because the smaller the interval of time between the punishment and the crime, the stronger and more lasting will be the association of the two ideas of and so that they may be considered, one as the cause, and the other as the unavoidable and necessary effect. It is demonstrated, that the association of ideas is the cement which unites the fabric of the human intellect; without which, pleasure and pain would be simple and ineffectual sensations. The vulgar, that is, all men who have no general ideas or universal principles, act in consequence of the most immediate and familiar associations; but the more remote and complex only present themselves to the minds of those who are passionately attached to a single object, or to those of greater understanding, who have acquired an habit of rapidly comparing together a number of objects, and of forming a conclusion; and the result, that is, the action, in consequence, by these means, becomes less dangerous and uncertain.

Beccaria: 'On Crimes and Punishments' and Other Writings

course of my ideas has carried me away from my subject, to the elucidation of which I now return. Crimes are more effectually prevented by the than the of punishment. Hence, in a magistrate, the necessity of vigilance, and, in a judge, of implacability, which, that it may become an useful virtue, should be joined to a mild legislation. The certainty of a small punishment will make a stronger impression, than the fear of one more severe, if attended with the hopes of escaping; for it is the nature of mankind to be terrified at the approach of the smallest inevitable evil, whilst hope, the best gift of Heaven, hath the power of dispelling the apprehension of a greater; especially if supported by examples of impunity, which weakness or avarice too frequently afford.

Cesare Beccaria - Economist, Philosopher - Biography

more immediately, after the commission of a crime, a punishment is inflicted, the more just and useful it will be. It will be more just, because it spares the criminal the cruel and superfluous torment of uncertainty, which increases in proportion to the strength of his imagination and the sense of his weakness; and because the privation of liberty, being a punishment, ought to be inflicted before condemnation, but for as short a time as possible. Imprisonments, I say, being only the means of securing the person of the accused, until he be tried, condemned or acquitted, ought not only to be of short duration, but attended with as little severity as possible. The time should be determined by the necessary preparation for the trial, and the right of priority in the oldest prisoners. The confinement ought not to be closer than is requisite to prevent his flight, or his concealing the proofs of the crime; and the trial should be conducted with all possible expedition. Can there be a more cruel contrast than that between the indolence of a judge, and the painful anxiety of the accused; the comforts and pleasures of an insensible magistrate, and the filth and misery of the prisoner? In general, as I have before observed, If there be any society in which this is not a fundamental principle, it is an unlawful society; for mankind, by their union, originally intended to subject themselves to the least evils possible.