数学家研究纯数学不是因为它有用；他研究它是因为他喜欢它，他喜欢它是因为它美丽。
The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.
伟大的工程是无形的——它只是无缝地运作。
定理不是偶然发现的。
The four most dangerous words in investing are: 'this time it's different.'
世界不是待解的问题，而是待体验的谜。
沉默是被压迫者的语言。