The jaws of power are always open to devour, and her arm is always stretched out, if possible, to destroy the freedom of thinking, speaking, and writing.

The beauty of mathematics is that it is universal.

文学的力量在于它能够触动人心，改变思想。

艺术让我得以生存。

真正的创新发生在学科的交叉点。

煤炭的未来在于可持续和负责任的采矿实践。