The best way to learn something is to teach it.

因为狼群的力量在于狼，狼的力量在于狼群。

The ruling class has the means of material production at its disposal; the proletariat has nothing but their labor power.

科学是关于在看似无关的现象之间建立联系。

一本好书是一个永远不会让你失望的朋友。