把这一句，留给此刻的你

No problem can be solved until it is reduced to some simple form. The changing of a vague difficulty into a specific, concrete form is a very essential element in thinking.

任何问题都不能被解决，除非它被简化成某种简单的形式。把模糊的困难变成具体的、具体的形式，是思维中一个非常重要的因素。

— J. P. Morgan J.P.摩根