生活中最好的东西是免费的。

世界是一个充满恐怖的地方，但也是美丽的地方。

Success is not about how much money you make, it’s about the difference you make in people’s lives.

"The way you think about time changes as you get older."

Writing is learning to die, learning to give everything away.

科学要求一个人付出他的一生。

最难原谅的人永远是自己。

The mark of mediocrity is to look for precedent.