专家就是在非常狭窄的领域内犯过所有错误的人。
An expert is a person who has made all the mistakes that can be made in a very narrow field.
I don't let anyone define me.
I’m very confident in who I am and what I do.
2000年:贝索斯致股东信《即使在最残酷的时期,也将努力把公司打造更具“重量”》