The process of discovery in mathematics is often more important than the result itself.

The world changes by your example, not by your opinion.

"Writing is a way to leave a legacy."

I don’t run from the past, I run toward the future.

出门时笑一笑，不要心怀悲哀，广阔的胸怀处处都能敞开。

无论你注定要做什么，现在就做。条件总是不可能的。

"The world is a book, and those who do not travel read only one page."

对这个世界有所助益是获得快乐的唯一途径。