How can you call a man free when his pleasures rule over him.

Our lives are but specks of dust falling through the fingers of time. Like sands of the hourglass, so are the days of our lives.

True knowledge exists in knowing that you know nothing. And in knowing that you know nothing, that makes you the smartest of all.

Nobody is qualified to become a statesman who is entirely ignorant of the problem of wheat.

I don't care what people say about me. I do care about my mistakes.

Whenever any one informs us that he has found a man who knows all the arts, and all things else that anybody knows, and every single thing with a higher degree of accuracy than any other man - whoever tells us this, I think that we can only imagine him to be a simple creature who is likely to have been deceived by some wizard or actor whom he met, and whom he thought all-knowing, because he himself was unable to analyse the nature of knowledge and ignorance and imitation.

One thing I know, that I know nothing. This is the source of my wisdom.