"In computational learning theory, the challenge is not just to learn, but to understand how learning is possible."

A physical symbol system has the necessary and sufficient means for general intelligent action.

生命太重，不必当真。

古今的变化，不是改变其根本道理，而是改变其方法。

"A man is not old until regrets take the place of dreams."

永远不要把后天能做的事推迟到明天。