我不数做了多少仰卧起坐，只在感到疼痛时才开始计数。

Every great and deep difficulty bears in itself its own solution. It forces us to change our thinking in order to find it.

We recognized early on that smart people do very dumb things, and we wanted to know why and who, so that we could avoid them.

农业的未来在于科技与传统农耕的结合。