译文：江河东流永不回头，生死其实就像一场梦。

The price of freedom is eternal vigilance.

In times of change, the learners inherit the earth, while the learned find themselves beautifully equipped to deal with a world that no longer exists.

我喜欢批评，它让你变得强大。

所谓的理解，往往不过是误解的广泛流传。