Quote #29852
A man must be big enough to admit his mistakes, smart enough to profit...
Quote #18757
You are the bows from which your children as living arrows are sent forth.
Quote #3781
Curiosity is the very basis of education and if you tell me that curiosity...
Quote #24252
As far as the laws of mathematics refer to reality, they are not certain...
Quote #15095
It is bad luck to be superstitious.
Quote #17424
Nature understands no jesting. She is always true, always serious, always severe. She is...
Quote #6403
Science can purify religion from error and superstition. Religion can purify science from idolatry...
Quote #9666
You gain strength, courage, and confidence by every experience by which you really stop...
Quote #19300
Action is consolatory. It is the enemy of thought and the friend of illusions.
Quote #14647
I must lose myself in action, lest I wither in despair.