Change is not made without inconvenience, even from worse to better.
A managed forest is like a symphony—every tree plays its part at the right time.
奖励一个人多年来如此愉快地要求玉米植株解决特定问题并观察其反应,可能看起来不公平。
The more one judges, the less one loves.
解释:往往在你觉得是轻而易举的时候,困难也就跟着来了。