化学不仅关乎你能制造什么，还关乎你如何制造它。

冲去污浊的水，扬起清澈的水流；废除贪婪，树立廉洁

Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

To understand behavior, look for the utility in it.