In this primitive and abject state [of hunters and gatherers], which ill deserves the name of society, the human brute, without arts or laws, almost without sense or language, is poorly distinguished from the rest of the animal creation.

The knowledge that is suited to our situation and powers, the whole compass of moral, natural, and mathematical science, was neglected by the new Platonists; whilst they exhausted their strength in the verbal disputes of metaphysics, attempted to explore the secrets of the invisible world, and studied to reconcile Aristotle with Plato, on subjects of which both these philosophers were as ignorant as the rest of mankind.

The laws of probability, so true in general, so fallacious in particular.

In the end, more than freedom, they wanted security. They wanted a comfortable life, and they lost it all – security, comfort, and freedom. When the Athenians finally wanted not to give to society but for society to give to them, when the freedom they wished for most was freedom from responsibility, then Athens ceased to be free and was never free again.

The first and indispensable requisite of happiness is a clear conscience.

A sentence of death and infamy was often founded on the slight and suspicious evidence of a child or a servant: the guilt [of the defendant] was presumed by the judges [due to the nature of the charge], and paederasty became the crime of those to whom no crime could be imputed.

The mathematics are distinguished by a particular privilege, that is, in the course of ages, they may always advance and can never recede.