The human race has one really effective weapon, and that is laughter.

农业的进步不仅要以产量衡量，还要以长期的环境影响来衡量。

暴力的减少可能是我们物种历史上最重要却最不被重视的发展。

I think a simple rule of business is, if you do the things that are easier first, then you can actually make a lot of progress.

I like honest men of all colors.