The right of nature... is the liberty each man hath, to use his own power, as he will himself, for the preservation of his own nature; that is to say, of his own life.

Innovation in traditional industries like coal mining is not just possible—it's essential.

音乐是会思考的声音。

南开校训，意为培养公正与能力兼备的人才，追求不断创新。