最好的摄影是看不见的；它不会吸引注意力，而是增强叙事。

In the end, we will remember not the words of our enemies, but the silence of our friends.

不要等待机会，创造机会。

The concept of probably approximately correct (PAC) learning has been foundational in computational learning theory.

译文：醉酒后挑亮油灯端详宝剑，梦中又回到了号角声震天的军营。把烤牛肉分给部下享用，让乐器奏起悲壮的边塞战歌，秋高气爽的战场上正检阅军队。

Every book is a journey, and every journey is a book.