在文学中，边界消失了；剩下的只有人类情感的普世语言。
A great leader takes people where they don't necessarily want to go, but ought to be.
"In the study of computational complexity, we often find that the boundaries of what is possible are defined by the limits of our imagination."
If you find serenity and happiness，they may be jealous；Be happy anyway。People really need help but may attack you if you do help them。
The earth gives us coal; our duty is to give back stewardship.
The only way to do great work is to love what you do.