林业技术应该增强自然过程，而不是取代它们。

"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."

The balance of power is the scale of peace.

True scientific progress requires both creativity and discipline.

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。