我相信：个人自由的探索精神是世界上最宝贵的东西。我会为此而战：思想的自由，可以朝任何它希望的方向发展，不受指引。

物理学家的直觉就像复杂荒野中的指南针。

The historian is a prophet in reverse.

进步既需要远见，也需要执行力。

I have to remind myself that some birds aren't meant to be caged. Their feathers are just too bright. And when they fly away, the part of you that knows it was a sin to lock hem up DOES rejoice. Still, the place you live in is that much more drab and empty that they're gone. I guess I just miss my friend.