We cannot solve our problems with the same thinking we used when we created them.
Teaching should be such that what is offered is perceived as a valuable gift and not as a hard duty.
Don't listen to the person who has the answers; listen to the person who has the questions.
Out yonder there is this huge world, which exists independently of us human beings and which stands before us like a great, eternal riddle, at least partially accessible to our inspection and thinking.
Yes, we have to divide up our time like that, between our politics and our equations. But to me our equations are far more important, for politics are only a matter of present concern. A mathematical equation stands forever.
On the mysterious: It is the fundamental emotion which stands at the cradle of true art and true science. He who knows it not and can no longer wonder, no longer feel amazement, is as good as dead, a snuffed-out candle.