The old believe everything, the middle-aged suspect everything, the young know everything.
The harder you work for something, the greater you’ll feel when you achieve it.
"The power of words is that they can change the world."
他们遇事后退不言,但到朝廷上,看到对自己有利的事,唯恐说晚了。君主如果说了对他没有利的话,眼睛往下看,好像被噎得很厉害一样,并说∶“只有这个我没有学。”事情即使很紧急,他却会远远地走开。 
我不想谈论那些懒惰的人。我们彼此根本不懂对方。我不了解你,也不想去了解。
Never underestimate the power of a single breakthrough to change millions of lives.