The search for reciprocity laws is a fundamental theme in the history of mathematics.

To create is to enter into a dialogue with absence.

To create is to breathe life into silence.

You have to grind when no one else is grinding so you can shine when no one else is shining.

充分活着就是接受欢乐与悲伤。

统治者的首要职责是保护社会免受其他独立社会的暴力和侵略，只有通过军事力量才能实现这一职责。