Stay Hungry. Stay Foolish. And I have always wished that for myself. And now, as you graduate to begin anew, I wish that for you. 

To be brave is to love someone unconditionally, without expecting anything in return.

The more we know, the more we realize how little we know.

翻译：强调了土地在农业生产中的基础性作用，是万物生长之根本。

笑是一种连接大群体的机制。