孔子说：“君子有九种事情要考虑：看要考虑是否看清楚了、听要考虑是否听清楚了、脸色要考虑是否温和、表情要考虑是否谦恭、言谈时要考虑是否忠诚、工作时要考虑是否敬业、疑问时要考虑请教、愤怒时要考虑后患、见到好处时要考虑道义。”

人可能会死去。城池可能会泯灭在历史的长河里，英雄会老去，美人会迟暮。一切都终将会消失，但总有一些故事会传承下来。

节俭就会昌盛，放纵享乐就会灭亡。

On innovation: "I think frugality drives innovation， just like other constraints do. One of the only ways to get out of a tight box is to invent your way out."

"Language is the only homeland."

我走了这么远，不只是为了走到这里。

The internet is not just a technology, it's a way of thinking.

The intersection of cryptography and complexity theory is where some of the most fascinating problems in computer science reside.