To overcome the anxieties and depressions of contemporary life, individuals must become independent of the social environment to the degree that they no longer respond exclusively in terms of its rewards and punishments.

The most important thing is to be honest with yourself and with what you do.

I think it's important to take risks and to challenge yourself. That's how you grow as a person.

一个人需要相当的知识才能意识到自己的无知程度。

人类最古老而强烈的情绪，便是恐惧；而最古老最强烈的恐惧，便是对未知的恐惧。

领导力不是发号施令，而是激励他人成就伟大。

"You can't manage what you don't measure."

生活的艺术在于克服困难而不战胜它们。