Fear is the main source of superstition， and one of the main sources of cruelty. To conquer fear is the beginning of wisdom， in the pursuit of truth as in the endeavour after a worthy manner of life.
Hard work beats talent when talent fails to work hard.
美国没有永恒的敌人，也没有永恒的朋友，只有永恒的利益。
I'm not afraid of the dark; I'm afraid of what's in it.
The process of doing mathematics is more important than the result.
"In literature, there are no borders, no limits."
Quality is not a chance; it is a choice.