"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

An idea that is not dangerous is unworthy of being called an idea at all.

"You can't be a great leader without great people."

经验的直接内容是心理学必须考虑的唯一事实。

韧性是通过逆境而不是回避逆境来建立的。

煤炭一直是工业的支柱，通过创新，它可以继续发挥作用。