自然界和道德世界是人类理性关注的双重对象。
"Fortune favors the prepared mind."
"The universe is a big place, and sometimes you have to make your own rules."
The forest doesn't need us, but we need the forest—this truth should guide every decision we make in forestry.
可持续发展已不再是一种选择,而是我们对后代的责任。