Everything is good as it comes from the hands of the Maker of the world； everything degenerates in the hands of man.

优化是在给定约束条件下做出最佳选择的艺术。

感恩可以将平凡的日子变成感恩节，将日常工作变成快乐，并将普通的机会变成祝福

It is not necessary to invoke God to light the blue touch paper and set the universe going.

有的鸟终究是关不住的，因为他们的羽翼太过光辉，当他们飞走时，你会由衷的祝贺他们获享自由；然而无奈的是：你得继续在这无聊之地苟且偷生。

创新不仅仅是关于新想法，而是让它们发挥作用。

The great advantage of telling the truth is that you don't have to remember what you said.

数学中最深刻的发现往往来自最简单的观察。