抽象的目的不是模糊,而是创建一个新的语义层次,在这个层次上可以绝对精确。
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
The best way to send an idea is to wrap it up in a person.
生存不是无所畏惧。而是做出决定,继续前进并付诸行动,因为你必须这样做。