I imagine, joking apart, that to know love, one must make mistakes and then correct them.

Religion reveals the meaning of life, and science only applies this meaning to the course of circumstances.

Mathematics is the queen of disciplines.... it will drive the nonsense out of your head!

From the self-confidence with which he spoke no one could tell whether what he said was very clever or very stupid.

It seldom happens that a man changes his life through his habitual reasoning. No matter how fully he may sense the new plans and aims revealed to him by reason, he continues to plod along in old paths until his life becomes frustrating and unbearable-he finally makes the change only when his usual life can no longer be tolerated.

For a few seconds they looked silently into each other's eyes, and the distant and impossible suddenly became near, possible, and inevitable.

The truth is obtained like gold, not by letting it grow bigger, but by washing off from it everything that isn't gold