The essence of computational complexity is to understand the limits of what can be computed efficiently.
译文：厚道的人，福泽深厚；刻薄的人，福薄命浅。
Women, they have minds, and they have souls, as well as just hearts. And they've got ambition, and they've got talent, as well as just beauty. I'm so sick of people saying that love is just all a woman is fit for.
心中没有成见则处事公平，心中没有自我则光明正大。
自然界没有废物——每样东西都是其他事物的养分。
The first step towards philosophy is incredulity.