一门科学的历史就是它的问题域的历史。

Death is present every day, but we don't see it until it touches us directly.

我喜欢用一件事物来描述另一件事物的想法。

A company's true value lies in its people, not just its balance sheet.

"The only way to get rid of a temptation is to yield to it."

I look back on the past, committed a felony little fool, I want to communicate with him and let him understand, but I can't do this, the boy would not see the, only my old trunk.