To feel much for others and little for ourselves； to restrain our selfishness and exercise our benevolent affections， constitute the perfection of human nature.

不随客户需求而发展的企业很快就会被淘汰。

The trade-off between bias and variance is a fundamental concept in machine learning.

2005年：贝索斯致股东信《尽管是数字在发挥作用，但决策因素还是“判断”》

We are all born with a certain degree of talent. What we do with it is up to us.