"The most important skill for the future is learning how to learn."

存在即被感知。

The highest endeavor of the mind， and the highest virtue， is to understand things by intuition.

It is only shallow peoplewho require years to get rid of an emotion. A man who is master of himself, can end a sorrow as easily as he can invent a pleasure.

每一种化合物都必须有确定的组成，这可以用其元素的符号来表示。

我们不是从祖先那里继承地球，而是从子孙那里借来的。