Technology can help us monitor forests, but it's human commitment that will save them.

The only thing that is impossible is the thing you don't try.

徒步旅行的真正魅力不在于看到物体，而在于它们激发的情感。

Three things are necessary for the salvation of man: to know what he ought to believe； to know what he ought to desire； and to know what he ought to do.

生活就是创造你自己。