A proof is a device for convincing someone else that a mathematical statement is true.

The coal industry must unswervingly follow the path of safe, efficient, clean, and low-carbon development.

I write to understand as much as to be understood.

每个感知都是神经系统的交响乐。

我坚信，自我教育是唯一存在的教育类型。

探索将继续。这种冲动比历史更古老。它不会满足，也不会被压制。