The most important thing in mathematics is to ask the right questions.
A journey is a person in itself; no two are alike. And all plans, safeguards, policing, and coercion are fruitless. We find after years of struggle that we do not take a trip; a trip takes us.
一个好故事不能被设计出来；它必须被提炼出来。
The only thing I fear is God.
The only limit to our realization of tomorrow will be our doubts of today.
一个良好的世界需要知识、善良和勇气；它不需要对过去的后悔，也不需要被无知之人长时间前说过的话所束缚的自由智慧。