作战虽然讲究排兵布阵,但士兵的勇敢是其中的根本;丧葬虽然讲究礼节,但对亲人的哀思是其中的根本;一个人虽然很有学识,但思想道德、行为举止是其中的根本。
To truly understand the universe, we must first understand the limits of our understanding.
The world is full of obvious things which nobody by any chance ever observes.
大陆并非固定不动,而是像木筏一样在地幔上漂移。