挑战是伪装的机会——拥抱它们。

When we understand knowledge-based systems, it will be as before -- except our fingertips will have been singed.

我不是悲观主义者。我是一个受过现实主义训练的乐观主义者。

"The human mind is a set of information-processing machines that were designed by natural selection to solve adaptive problems faced by our hunter-gatherer ancestors."

To write is to resist the noise of the world.

生活中最重要的事情不是胜利，而是奋斗。