Psychology must be based on observable phenomena, not abstractions.

数学的本质在于它的自由。

最重要的是享受生活——快乐——这才是最重要的。

家人团结，才能无往不利。  

世界上充满了显而易见的事情，却没有人注意到。

I write to understand as much as to be understood.

"The past is a foreign country; they do things differently there."

The quality of an organization's planning determines the quality of its execution.

每一场比赛都是提升的新机会。

不适应变化的公司注定会失败。