自信不是来自永远正确，而是来自不怕犯错。
Confidence comes not from always being right, but from not fearing to be wrong.
Mathematics is a language that allows us to describe the indescribable.
有了一些小成绩就不求上进，这完全不符合我的性格。攀登上一个阶梯，这固然很好，只要还有力气，那就意味着必须再继续前进一步。
The secret to happiness is to face the fact that the world is horrible.
战略的本质是选择不去做什么。
Every story is a lie, but some lies are more true than others.
译文：做事的时候一定要多替别人着想，读书时一定要切实地下足功夫。赏析：为人处事不能自私自利，不能只顾自己安逸舒适，而要学会换位思考，只有这样，身边才有很多人尊重我们。读书须用功，一字值千金。读书学习要甘于忍受寂寞，才能学有所成。
板块构造理论是地质学的统一理论。
It’s not the world that’s cruel. It’s the people in it.