爱是生命的火焰。

Every mathematical problem is a puzzle waiting to be solved, and every solution is a step closer to understanding the fabric of reality.

If a Nation expects to be ignorant and free in a state of civilization,it expects what never was and never will be....If we are to guard against ignorance and remain free,it is the responsibility of every American to be informed."

Writing is a way of fighting against oblivion, against death.

最终，我们记住的不是敌人的话语，而是朋友的沉默。

I’m not trying to be perfect, I’m just trying to be better.

The past is a ghost, haunting the present.