Then not only custom, but also nature affirms that to do is more disgraceful than to suffer injustice, and that justice is equality.

Seek truth while you are young, for if you do not, it will later escape your grasp

To fear death, my friends, is only to think ourselves wise without really being wise, for it is to think that we know what we do not know.

[Not enough is known about solid geometry] and for two reasons: in the first place, no government places value on it; this leads to a lack of energy in the pursuit of it, and it is difficult. In the second place, students cannot learn it unless they have a teacher. But then a teacher can hardly be found.

The man who arrives at the doors of artistic creation with none of the madness of the Muses would be convinced that technical ability alone was enough to make an artist... what that man creates by means of reason will pale before the art of inspired beings.

More will be accomplished, and better, and with more ease, if every man does what he is best fitted to do, and nothing else.

Perfect wisdom has four parts: Wisdom, the principle of doing things aright. Justice, the principle of doing things equally in public and private. Fortitude, the principle of not fleeing danger, but meeting it. Temperance, the principle of subduing desires and living moderately.