【大意】人的贪欲多了，就会亏损道义；忧虑多了，就会损害智慧；畏惧多了，就会伤害勇气。

He who is content is always happy; endless desires never find satisfaction.

可持续农业不是口号，而是责任，我们要为子孙后代留下绿水青山。

The study of complex systems has taught us that simple rules can give rise to incredibly complex behavior.

缺席之于爱情，犹如风之于火；它熄灭小火，却助长大火。