No man should be angry with what is true.

We will be better men, braver and less idle, if we believe that one must search for the things one does not know, rather than if we believe that it is not possible to find out what we do not know and that we must not look for it.

The orators and the despots have the least power in their cities ... since they do nothing that they wish to do, practically speaking, though they do whatever they think to be best.

Vision, in my view, is the cause of the greatest benefit to us, inasmuch as none of the accounts now given concerning the Universe would ever have been given if men had not seen the stars or the sun or the heavens. But as it is, the vision of day and night and of months and circling years has created the art of number and has given us not only the notion of Time but also means of research into the nature of the Universe. From these we have procured Philosophy in all its range, than which no greater boon ever has come or will come, by divine bestowal, unto the race of mortals.

To go to the world below, having a soul which is like a vessel full of injustice, is the last and worst of all the evils.

Only a philosopher's mind grows wings, since its memory always keeps it as close as possible to those realities by being close to which the gods are divine.

When the music changes, the walls of the city shake.