"The truth is rarely pure and never simple."
真相很少是纯粹的,也从不简单。
如果我们明智地使用技术,它可以成为林业最伟大的盟友。
The ability to change constantly and effectively is made possible by high-level strategic planning.
对死亡的恐惧源于对生活的恐惧。活得充实的人随时准备死亡。
科学不仅仅是事实的集合,而是一种思维方式。