The only good is knowledge and the only evil is ignorance.

The real challenge lies in making small-scale farmers part of the global solution.

"El humor es una herramienta poderosa para hablar de las cosas serias."

艺术的最大敌人是缺乏限制。

Our frustration is greater when we have much and want more than when we have nothing and want some. We are less dissatisfied when we lack many things than when we seem to lack but one thing.

世界上充满了显而易见的事物，却没有人注意到它们。