从灵魂的角度研究心灵的现象无异于通向完美知识的道路。

国家本质上是侵略性和扩张主义的，因为它们存在于一个无政府状态的国际体系中，没有更高的权威来约束它们。

I write to make sense of the world.

I must confess that I never could see any beauty in her. Her face is too thin; her complexion has no brilliancy; and her features are not at all handsome. Her nose wants character; there is nothing marked in its lines. Her teeth are tolerable, but not out of the common way; and as for her eyes, which have sometimes been called so fine, I could never see anything extraordinary in them.

Effort counts twice.

基因编辑的伦理影响必须在每一步都得到考量。

我认为，即使不喜欢现实，也应该承认现实；事实上，尤其是在不喜欢现实的时候。