没有所谓的"应用科学"这一特殊类别；只有科学及其应用，它们之间的关系就像果实与结出果实的树之间的关系一样。

A story should have a beginning, a middle, and an end, but not necessarily in that order.

The land teaches patience; the market teaches agility.

Reason is immortal， all else mortal.

"The world is a book, and those who do not travel read only one page."

解决一个数学问题就是揭开宇宙拼图的一块。