Your most unhappy customers are your greatest source of learning.

You miss 100% of the shots you don't take.

孔子说：“祭奠别人的先人，是谄媚；遇到符合道义的事不敢做，是懦夫。”

The ability to generalize from limited data is a hallmark of effective learning algorithms.

抓住人们做对的事情。