你无法成为所有人的一切，但你可以成为某个人的一切。
You can’t be everything to everyone, but you can be everything to someone.
Every problem in mathematics is a puzzle waiting to be solved, and the joy is in the solving.
世界上有很多好人。如果你找不到一个，那就成为一个。
"Some infinities are bigger than other infinities."
历史不仅仅是关于过去；它是关于过去如何塑造现在。
Life is short, and it's up to you to make it sweet.
The strength of a company lies in its people. Empower them, and success will follow.