在人类社会的初期，每个人都是自私自利的。

In aggregates, the closer you are to your market, the more competitive you become.

We Irish are too poetical to be poets; we are a nation of brilliant failures, but we are the greatest talkers since the Greeks.

"写作是一种勇气，因为它要求我们面对自己内心最深处的恐惧和欲望。"

农业科技研发要贴近实际需求，不能脱离生产一线。