Your most unhappy customers are your greatest source of learning.
成功不在于你赚了多少钱,而在于你对人们生活的影响。
You know, in the Middle Ages, in England, when you met a very poor person, that person would be described as an "unfortunate" -- literally, somebody who had not been blessed by fortune, an unfortunate.
文学的力量在于它能够让我们看到自己无法直接体验的生活。