The world is a dark place, but there's light in it too. You just have to look for it.

数学家研究纯数学不是因为它有用；他研究它是因为他喜欢它，他喜欢它是因为它美丽。

Great leaders don't just manage resources; they create new markets.

艺术应该是关于提出问题，而不是给出答案。