理论物理学不仅仅是解方程，它关乎理解现实的本质。

The writer must be a witness to his time.

银河系中心是强引力下的一个独特的自然实验。

爱是一种非理性的决定。

The deterioration of every government begins with the decay of the principles on which it was founded.

世界是我的国家，全人类是我的兄弟姐妹，行善是我的宗教。