通常，我们只看见我们正在寻找的东西，有时甚至凭空就能看见。

I had ambition not only to go farther than any man had been before, but as far as it was possible for a man to go.

Mathematics is a creative endeavor, just like art or music.

接受不确定性可能是应对复杂世界的最佳策略。