When you are courting a nice girl an hour seems like a second.

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

The facts, although interesting, are irrelevant.

About God, I cannot accept any concept based on the authority of the Church... As long as I can remember. I have resented mass indoctrination. I cannot prove to you there is no personal God, but if I were to speak of him, I would be a liar. I do not believe in the God of theology who rewards good and punishes evil. His universe is not ruled by wishful thinking, but by immutable laws

The road to perdition has ever been accompanied by lip service to an ideal.

If I had 20 days to solve a problem, I would take 19 days to define it

The important thing is not to stop questioning. Curiosity has its own reason for existing. One cannot help but be in awe when he contemplates the mysteries of eternity, of life, of the marvelous structure of reality. It is enough if one tries merely to comprehend a little of this mystery every day. Never lose a holy curiosity.