Everybody felt his superiority, but nobody felt oppressed by it. Though he had no illusions about people and human affairs, he was full of kindness toward everybody and everything. Never did he give the impression of domineering, always of serving and helping. He was extremely conscientious, without allowing anything to assume undue importance; a subtle humor guarded him, which was reflected in his eyes and in his smile.

I like to think the moon is there even if I am not looking at it.

People like us, who believe in physics, know that the distinction between past, present, and future is only a stubbornly persistent illusion.

Human beings are not condemned, because of their biological constitution, to annihilate each other or to be at the mercy of a cruel, self-inflicted fate.

I love to travel, but hate to arrive.

Strange is our situation here upon earth.

The world we have made is a result of the level of thinking we have done thus far.