If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.

生命之援助，这就是教育。

当你的朋友看到你因仰望天空而大笑时，一定会感到莫名其妙！到时候，你可以对他们说：“是的，星星总让我开心而笑！”

下一场绿色革命将由那些连接传统与创新的人引领。