要养活世界，我们必须首先了解脚下的土壤。

林业的未来是循环的，而不是线性的。

The greatest enemy of art is the absence of limitations.

爱有时伴随着痛苦，但继续爱下去很重要。

Those of us who have been fortunate have a duty to give back.Whether one gives a lot as one goes along as I do, or a little and then a lot (when one dies) as Warren does, is a matter of personal preference.