在战争中，武力和欺骗是两个关键的美德。
"In the midst of winter, I found there was, within me, an invincible summer."
The poverty of our century is unlike that of any other. It is not, as poverty was before, the result of natural scarcity, but of a set of priorities imposed upon the rest of the world by the rich.
解释：向外物游览就要要求外物的完备，向自己内心求取，则能充实完善自身。
"The universe is a pretty big place. If it's just us, seems like an awful waste of space."
A mathematician is a device for turning coffee into theorems.
Innovation in forestry practices is essential to meet the challenges of climate change.《The Green Canopy》