意识是适应的前沿。

The arc of the moral universe is long， but it bends toward justice.

The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.

The books that we reread the most are the ones that most clearly describe the world we already know.

我们都是携带过去碎片的时间胶囊。