I've learned that you have to be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.

数学中最深刻的定理往往有最简单的表述。

If you can look into the seeds of time, And say which grain will grow and which will not, speak then to me, who neither beg nor fear Your favours nor your hate.

你的时间有限，所以不要浪费在过别人的生活上。

In my whole life, I have known no wise people...who didn't read all the time --none, zero.You'd be amazed at how much Warren reads --at how much I read...They think I'm a book with a couple of legs sticking out.

"Writing is a way to make sense of the chaos of the world."