A good mystery is like a good joke—it's all in the timing.

Mathematics is the language in which God has written the universe.

我不是为了纪录而比赛，我比赛是因为我热爱这项运动。

沉默是最强大的回答。

I cannot fix on the hour, or the spot, or the look, or the words, which laid the foundation. It is too long ago. I was in the middle before I knew that I had begun.

It is remarkable how much long-term advantage people like us have gotten by trying to be consistently not stupid, instead of trying to be very intelligent.