The love of the gods belongs to anyone who has given to true virtue and nourished it, and if any human being could become immortal, it would be he.

It's like this, I think: the excellence of a good body doesn't make the soul good, but the other way around: the excellence of a good soul makes the body as good as it can be.

Until philosophers rule as kings or those who are now called kings and leading men genuinely and adequately philosophise, that is, until political power and philosophy entirely coincide, while the many natures who at present pursue either one exclusively are forcibly prevented from doing so, cities will have no rest from evils,... nor, I think, will the human race.

Whereas the truth is that the State in which the rulers are most reluctant to govern is always the best and most quietly governed, and the State in which they are most eager, the worst.

When the mind is thinking it is talking to itself.

Experience proves that anyone who has studied geometry is infinitely quicker to grasp difficult subjects than one who has not.

The knowledge of which geometry aims is the knowledge of the eternal.