真正的勇气是直面自己的弱点，并拼尽全力改变它。

你影响力的唯一限制是你的想象力和承诺。

Fearless is not the absence of fear. It's not being completely unafraid. It's having a lot of fears, but jumping anyway.

Growth comes from taking risks, but calculated ones.

解释：不注意天时，财富就不能增长；不注意地利，粮食就不会充足。