The real opposition is that between the ego-bound man, whose existence is structured by the principle of having, and the free man, whose existence is structured by the principle of being.

读书人如同国家的宝物，儒生就像宴席上的佳肴一样，值得珍重。

The best way to learn mathematics is to do mathematics.

我们行业的运营许可书写在社会认可的墨水中。