The best way out is always through.
The greatest investment you can make is in yourself.
我很相信運(yùn)氣，而我發(fā)現(xiàn)越是努力工作，我的運(yùn)氣越好。
過去是一個(gè)參考的地方，而不是居住的地方。
質(zhì)量不是一種行為，而是一種習(xí)慣。
A good mathematician is someone who can see analogies between theorems; a great mathematician is someone who can see analogies between analogies.