要从最基本层面理解化学，我们必须观察分子中电子的舞蹈。#

The healthy social life is found when in the mirror of each human soul the whole community finds its reflection, and when in the community the virtue of each one is living.

我准备向他提出一个他不可能拒绝的条件。

过去从未死去，它甚至还未过去。