定义就是限制。

预测未来的最好方法就是创造它。

The real difficulty lies not in devising new ideas, but in escaping from the old ones.

"A good book is a friend that never lets you down."

The only thing that can make you a leader is your actions.

做善事容易，做了善事而逃避好名声就难了；不触犯他人容易，触犯了他人心里不计较就难了。为人处世，遇到有人对我蛮横无理，就要像走在灌木草丛中一样，荆棘挂住了衣服，只能缓慢前行小心地拨开荆棘就是了，荆棘也不是存心阻人啊！这样一来便能做到心中不劳累，而化解仇怨。