程序最重要的属性是它是否实现了用户的意图。
The most important property of a program is whether it accomplishes the intention of its user.
写作是一种勇气,因为它要求我们面对自己内心最深处的恐惧和欲望。
Mathematics is not a spectator sport. You have to do it to understand it.
没有科学,水产养殖就会停滞;没有道德,它就会崩溃。