Style is as much under the words as in the words. It is as much the soul as it is the flesh of a work.

化学是在分子水平上操纵物质的艺术，而催化是其最强大的画笔。

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

一次又一次地后悔到终身,还不如不做后悔之事而无后顾之忧。

如果量子力学没有让你深感震惊，那说明你还没有理解它。