学习数学的唯一方法就是做数学。

理解他人，现实的唯一方法是自己去体验。

I’m not trying to be mysterious. I just don’t like talking about myself.

The individual is the only reality. The further we move away from the individual toward abstract ideas about Homo sapiens, the more likely we are to fall into error.

民主是一种机制，确保我们得到的治理不会比我们应得的更好。