Indulge yourself in pleasures only in so far as they are necessary for the preservation of health.

A free man, who lives among ignorant people, tries as much as he can to refuse their benefits. .. He who lives under the guidance of reason endeavours as much as possible to repay his fellow's hatred, rage, contempt, etc. with love and nobleness.

Reality and perfection are synonymous.

Philosophy has no end in view save truth; faith looks for nothing but obedience and piety.

I have resolved to demonstrate by a certain and undoubted course of argument, or to deduce from the very condition of human nature, not what is new and unheard of, but only such things as agree best with practice.

Academies that are founded at public expense are instituted not so much to cultivate men's natural abilities as to restrain them.

Care of the poor is incumbent on society as a whole.