Without deep reflection one knows from daily life that one exists for other people.

The most powerful force in the world is compound interest.

Infinite striving to be the best is man's duty; It is its own reward. Everything else is in god's hands. It's not that I'm so smart, it's just that I stay with problems longer.

Chess holds its master in its own bonds, shackling the mind and brain so that the inner freedom of the very strongest must suffer.

I think 99 times and find nothing. I stop thinking, swim in the silence, and the truth comes to me.

The world is not threatened by evil people, but by those who allow evil to take place.

I know that philosophically a murderer is not responsible for his crime, but I prefer not to take tea with him.