当市场下跌时，你轻易的将好东西打折变卖，但是一旦市场向上，再想买回来，难之又难。

世界是一本书，不读书的人只活了一次。

The unity of mathematics is not an illusion but a reality waiting to be uncovered.

I think that we communicate only too well, in our silence, in what is unsaid, and that what takes place is a continual evasion, desperate rearguard attempts to keep ourselves to ourselves.

Happiness is not the absence of problems, but the ability to deal with them.

邪恶获胜的唯一必要条件是好人无所作为。

“唯一真正永恒的是人类的联系。”

——1964年瑞佛尼亚审判法庭陈述