Collaboration across sectors is the key to solving the world's most pressing environmental challenges.

The laws that forbid the carrying of arms are laws of such a nature. They disarm only those who are neither inclined nor determined to commit crimes.... Such laws make things worse for the assaulted and better for the assailants; they serve rather to encourage than to prevent homicides, for an unarmed man may be attacked with greater confidence than an armed man.

我在这一刻所看到的，将永远留在我的记忆里，永不消失，我会天天看到它，夜夜梦到它，直到我死。

一个科学家的真正价值是由他思想的独创性来衡量的。