A mathematician's intuition is as important as rigorous proof.
Hope is a good thing, maybe the best of things, and no good thing ever dies.
你不能靠承諾建立聲譽(yù)，而要靠實(shí)際行動。
The major credit I think Jim and I deserve... is for selecting the right problem and sticking to it.
The best designs are those that improve with age.
"Fear is the most democratic of all emotions."