真金不怕火炼。
If one only wished to be happy, this could be easily accomplished; but we wish to be happier than other people, and this is always difficult, for we believe others to be happier than they are.
"True literature should disturb the comfortable and comfort the disturbed."
定理让我兴奋;证明让我厌倦。我的头脑不适合做那些繁琐、细致的工作,去证明我已经知道是正确的东西。