在那里的泥土里，这种种子多得成灾。而一棵猴面包树苗，假如你拔得太迟，就再也无法把它清除掉。它就会盘踞整个星球。它的树根能把星球钻透，如果星球很小，而猴面包树很多，它就把整个星球搞得支离破碎。

我不相信运气，我相信准备遇到机会。

A good mathematician should be both rigorous and imaginative.

I'm very proud to be black, but black is not all I am. That's my cultural historical background, my genetic makeup, but it's not all of who I am nor is it the basis from which I answer every question.