自守形式的研究证明了对称性在数学中的力量。

水产养殖的创新必须平衡经济增长与环境管理。

To be a writer is to have a certain kind of sensitivity to the world, to be able to see what others do not see, to hear what others do not hear.

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.

意识的元素要以纯粹形式研究。

"In the end, we will remember not the words of our enemies, but the silence of our friends."