The examined life is the only life worth living.

The greatest flood has the soonest ebb; the sorest tempest the most sudden calm; the hottest love the coldest end; and from the deepest desire oftentimes ensues the deadliest hate.

You are wrong, sir, if you think that a man who is any good at all should take into account the risk of life or death; he should look to this only in his actions, whether what he does is right or wrong, whether he is acting like a good or a bad man.

It is better to be at odds with the whole world than, being one, to be at odds with myself.

It is not difficult to avoid death. It is much more difficult to avoid wickedness, for it runs faster than death.

To move the world we must move ourselves.

The more I know, the more I know that I don't know.