When the tyrant has disposed of foreign enemies by conquest or treaty, and there is nothing more to fear from them, then he is always stirring up some war or other, in order that the people may require a leader.

Both wealth and concord decline as possessions become pursued and honored. And virtue perishes with them as well.

Apply yourself both now and in the next life. Without effort, you cannot be prosperous. Though the land be good, You cannot have an abundant crop without cultivation.

Nothing can be more absurd than the practice that prevails in our country of men and women not following the same pursuits with all their strengths and with one mind, for thus, the state instead of being whole is reduced to half.

A hero is born among a hundred, a wise man is found among a thousand, but an accomplished one might not be found even among a hundred thousand men.

The true creator is necessity, who is the mother of our invention.

There have been times, Socrates, when I have been driven in my perplexity to take refuge with Protagoras; not that I agree with him at all.