"To lose one parent may be regarded as a misfortune; to lose both looks like carelessness."
对付一个不自由的世界的方法,就是变得如此绝对自由,以至于你的存在本身就是一种反抗。
A little more persistence, a little more effort, and what seemed hopeless failure may turn to glorious success.
The deepest problems of modern life derive from the claim of the individual to preserve the autonomy and individuality of his existence in the face of overwhelming social forces, of historical heritage, of external culture, and of the technique of life.
改变的秘诀是集中你的所有能力,不是摧毁旧的,而是建造新的。
我不让任何人让我沉默。
I don't have any particular recipe [for developing new proofs] ... It is the reason why doing research is challenging as well as attractive. It's like being lost in a jungle and trying to use all the knowledge that you can gather to come up with some new tricks, and with some luck you might find a way out.