Nowadays, for the sake of the advantage which is to be gained from the public revenues and from office, men want to be always in office.

Even the best of men in authority are liable to be corrupted by passion. We may conclude then that the law is reason without passion, and it is therefore preferable to any individual.

Metaphysics is universal and is exclusively concerned with primary substance. ... And here we will have the science to study that which is, both in its essence and in the properties which it has.

Music directly represents the passions of the soul. If one listens to the wrong kind of music, he will become the wrong kind of person.

The self-indulgent man craves for all pleasant things... and is led by his appetite to choose these at the cost of everything else.

Patience is so like fortitude that she seems either her sister or her daughter.

But since there is but one aim for the entire state, it follows that education must be one and the same for all, and that the responsibility for it must be a public one, not the private affair which it now is, each man looking after his own children and teaching them privately whatever private curriculum he thinks they ought to study.