不要害怕犯错误。如果你没有犯错误，你就没有足够努力。
Don't be afraid to make mistakes. If you're not making mistakes, you're not trying hard enough.
The database is the most important piece of software in the enterprise.
The greatest stories are those that transcend time.
过去是一个谜，历史学家是试图将碎片拼凑在一起的人。
The mind is the most important thing in tennis.
【释义】压力一词被严重滥用。凯根犀利指出：日常焦虑≠压力，过度标签化反而削弱人的抗挫力。