学习某事的最好方法就是去教它。
The course of development consists simply in this; that in each generation the two parental traits appear, separated and unchanged.
我们彼此相连，生物上相连；与地球相连，化学上相连；与宇宙的其余部分相连，原子上相连。
I have a very simple idea on how to get rich. The first is to spend less than you make, and the second is to invest the difference wisely.
The smallest atom of truth represents some man's bitter toil and agony.