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.
生活就是当你忙于制定其他计划时发生的事情。
The dynamics of perception are governed by the principle of Prägnanz (good form).