Desire nothing for yourself, which you do not desire for others.

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

We are so constituted by Nature that we easily believe the things we hope for, but believe only with difficulty those we fear, and that we regard such things more or less highly than is just. This is the source of the superstitions by which men everywhere are troubled. For the rest, I don

Freedom is absolutely necessary for the progress in science and the liberal arts.

If anyone conceives, that an object of his love joins itself to another with closer bonds of friendship than he himself has attained to, he will be affected with hatred towards the loved object and with envy towards his rival.

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

I can control my passions and emotions if I can understand their nature