The task must be made difficult, for only the difficult inspires the noble-hearted.

写作对我而言，只是透过我的手指来思考。

成功不是幸福的关键。幸福才是成功的关键。

I'm not a feminist. I hail men, I love men. I celebrate American male culture, and beer, and bars and muscle cars.

If you're not crazy, you're not a true genius.

数学的本质在于其自由性。