我在数学上花费的时间越多，我就越感到兴奋。

I sent my Soul through the Invisible, Some letter of that After-life to spell: And by and by my Soul return'd to me, And answer'd "I Myself am Heav'n and Hell."

我专注于我能控制的事情。

The goal is not to be right all the time, but to be right more often than wrong.

自然是最伟大的智者。