The good things are not dead.

The freedom then of man, and liberty of acting according to his own will, is grounded on his having reason, which is able to instruct him in that law he is to govern himself by, and make him know how far he is left to the freedom of his own will.

译文：年纪大了经不起生死离别，在异乡的日子里眼泪总打湿衣裳。

Complexity is not just about the number of components in a system, but about the nature of their interactions.

我做事情不是为了反应或批评。我做是因为我喜欢做。