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.
Cada libro es una puerta a un mundo desconocido, una invitación a explorar lo desconocido.
"I don’t think you can be taught to be a champion. It has to come from within."
In mathematics, you don't understand things. You just get used to them.
当人类心智在做计算机器的工作时，它很少感到满足，也肯定从未发挥其最高功能。