意识的难题在于解释大脑中的物理过程如何以及为何产生主观体验。
The person who tries to live alone will not succeed as a human being. His heart withers if it does not answer another heart. His mind shrinks away if he hears only the echoes of his own thoughts and finds no other inspiration.
The essence of computational complexity is to understand the limits of what can be computed efficiently.
股市的主要目的是让尽可能多的人成为傻瓜。
教学只是教育的脚手架;真正的建筑是由孩子自己完成的。