He worried about its future. Roosevelt wrote: "I recognize the right and duty of this generation to develop and use the natural riches of our land.

VOA: special.2010.08.12

So if you're taking... so you have to make sure that whenever you take land that there is enough left for other people to use... - Right.

所以。。。你得保证,占有土地时，要有足够剩余,留给其他人，-对。

耶鲁公开课 - 公正课程节选

Individuals have a right to own the country's land.

VOA: standard.2009.11.01