The mind is a place of its own which in itself can make a heaven of hell, a hell of heaven.
"The quest for understanding the quantum world is not just a scientific endeavor; it is a journey into the very nature of existence."
解析：天地之所以能长久存在，是因为它们的一切运作都不为自己，所以能够长久。
Diversity in forest species mirrors the diversity needed in business thinking.