教育是对人力资本的投资，会以更高生产率的形式获得回报。

To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things that scare you to death.

Small farms aren't relics—they're laboratories for innovation.

The true poet is a man who is always in love with life.

译文：古人最忌讳，表面对人顺从，背地里却反对。

The biggest risk is not taking any risk.

我们必须记住，(地球)这是一颗非常小的恒星，可能还有一些更大、更重要的恒星，可能是非常虚拟和快乐的（更适合人类居住？）。

每一本书都是一次旅程，每一页都是踏入未知的一步。

格言是智慧耐用的替代品。