Free vaccines are more valuable than expensive treatments, yet harder to promote.

一位哥伦比亚大学的学生问到巴菲特关于投资美国航空的原因，他说

"Causal inference requires careful thought about the assumptions underlying your analysis."

I love my job, but I hate the fame.

错误可以被关注事实者纠正，但教条将不会被那些囿于某种信念的人纠正。

I don't need a reason to be legendary.

如果你不拥抱新事物，你就无法生存。

Leadership in mining means making tough decisions that benefit all stakeholders, not just shareholders.