生命很短暂,没有时间争吵和争斗,我的朋友。
一个好的数学家总是准备好进行概括。
The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.
"The best stories are those that make you feel something deep inside."
The only good is knowledge and the only evil is ignorance.