Newton did not know what happened to the apple, and I can prove this when the next eclipse comes.

I have never belonged wholeheartedly to country or State, to my circle of friends or even to my own family... Such isolation is sometimes bitter, but I do not regret being cut off from the understanding and sympathy of other men. I lose something by it,to be sure, but I am compensated for it in being rendered independent of the customs, opinions and prejudices of others, and am not tempted to rest my peace of mind upon such shifting foundations.

Learn from yesterday, live for today.

One lives one's life under constant tension, until it's time to go for good

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.

A religious person is devout in the sense that he has no doubt about the significance of those superpersonal objects and goals which neither require nor are capable of rational foundation

Just because you believe in something does not mean that it is true.