In chemistry, as in life, sometimes you need to take a step back to see the bigger picture.

It seems to me that the natural world is the greatest source of excitement; the greatest source of visual beauty; the greatest source of intellectual interest. It is the greatest source of so much in life that makes life worth living.

任何需要手册才能工作的产品都是坏的。

学习本质上是刺激-反应连接的问题。