真相并不美丽，但它是必要的。
In a state, the liberty of one citizen is a menace to the liberty of another.
The only limit to our realization of tomorrow is our doubts of today.
The responsibility of agricultural scientists is to make the land produce more grain and let farmers harvest more.
如果明智地使用，技术可以成为可持续森林管理的最大盟友。