Mathematics is not a deductive science—that's a cliché. When you try to prove a theorem, you don't just list the hypotheses and then start to reason. What you do is trial and error, experimentation, guesswork.

水是一切自然界的驱动力。

You see, in the final analysis, it is between you and God; It is never between you and them anyway。

倘使让我来决定，我们应该是有一个政府而不要报纸，还是应该有报纸而不要政府，我会毫不犹豫选择后者。

每个感知都是神经系统的交响乐。