Certification is the grammar of responsible forestry.

任意能让你脱离现实的避风港，都是艺术。

I am more interested in what can be done with the knowledge than in the knowledge itself.

民族主义第六讲

中国的崛起和俄罗斯的复兴挑战了自由民主是唯一可行的政府形式的观念。