Well, the first rule is that you can’t really know anything if you just remember isolated facts and try and bang ’em back. If the facts don’t hang together on a latticework of theory, you don’t have them in a usable form.

理解代数簇的算术就是理解其中隐藏的对称性。

Innovation in plastics isn't optional—it's our responsibility to the planet.

"To write is to breathe, and to breathe is to live."

【释义】君子的行为，行动时要思考是否符合道义，不为利益所诱惑，不为道义而感到愧疚。