Everyone thinks of changing the world, but no one thinks of changing himself.

追求数学知识是一段永无止境的旅程；总有更多的东西等待发现和理解。

你不能只问顾客要什么，然后想法子给他们做什么。等你做出来，他们已经另有新欢了。

地质学的进步因用想象的原因代替真实的原因而大大受阻。

A well-educated black has a tremendous advantage over a well-educated white in terms of the job market. I think sometimes a black may think they don't have an advantage or this and that... I've said on one occasion, even about myself, if I were starting off today, I would love to be a well-educated black, because I believe they do have an actual advantage.