Profit and purpose are not opposites; they must go hand in hand.

数算练习告诉我们算术运算的原理，而不是单单的记忆和不断演算。

Power is not given to you. You have to take it.

Planning to write is not writing. Outlining, researching, talking to people about what you're doing, none of that is writing. Writing is writing.

创新区分了领导者与追随者。