I'm not a pessimist. I'm an optimist trained in realism.

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

幸福不是现成品，它来自你自己的行动。

I stand for freedom of expression, doing what you believe in, and going after your dreams.

The best stories are the ones that make us question what we know.

再试，再失败，更好地失败。