Afghanistan is the land of my past, the place where I had laughed and cried, but it was no longer my home.

A man, as a general rule, owes very little to what he is born with – a man is what he makes of himself.

法律体系的存在取决于官员对次要规则的接受。

The severe morals of the early Romans produced a race of men who were neither superstitiously devout nor philosophically skeptical.

I'm not a girl who needs validation. I'm a girl who validates herself.

Never compromise on safety—it’s the cornerstone of everything we do.

Knowledge has value only insofar as it contributes to the liberation of humanity.

有时最深刻的发现来自于提出最简单的问题。

I always try to push myself to the limit, to see how far I can go.