The challenge in learning is not just to memorize, but to generalize from specific examples to broader concepts.

书本身不是目的，它是一种唤起的手段。

With each advancement in ultrafast lasers, we rewrite the textbook on how atoms and molecules behave.

如果成功仅仅被定义为规模扩张或为增长而增长，那这种成功是不可持续的。没有情感意义的成功是非常肤浅的。