想想在“算法”和“程序”之间寻求根本区别所花费的所有精神能量。
A proof of a proposition is a process the nature of which is such as to produce in us a belief in that proposition.
I’m not perfect, but I’m always me.
经济学家需要三种伟大的智力才能:感知、想象和理性;而最重要的是他需要想象力。