数学是一种创造性的努力,就像艺术或音乐一样。
每个词本身就是一个世界,一个意义的宇宙。
生命是用来消耗的,不是用来储蓄的。
To keep young kids behaving on a car road trip, have a bag of their favorite candy and throw a piece out the window each time they misbehave.
The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.