关爱别人，这是最为博大的；使别人受益，这是最为深厚的。 

The past is never dead. It's not even past.

"Writing is an act of faith, not a trick of grammar."

The more you know, the more you realize you don't know.

The question of truth and falsehood is always present, but it is not always answerable.

The challenge in computational learning theory is to understand the capabilities and limitations of learning algorithms.

In science, the most important discoveries often come from paying attention to the unexpected.

译文：一个人虽然没有身处艰难困境，但不能忘记还有艰难的时候。世上虽然有侥幸的事情存在，但不能心存侥幸的心理。赏析：人最大的悲哀就是总是对有些事情抱有幻想，都希望坏事不会发生在自己身上，可现实很无奈，越不想越就会发生。侥幸是发生祸患的根源，做任何事前，我们一定要防患于未然，做好最坏的打算。