可持续林业不是一种选择；它是一种义务。
Sustainable forestry is not an option; it's an obligation.
过去是一面镜子，但我们往往只看到自己想看的东西。
Man is always something more than what he knows about himself. He is not what he is simply once and for all, but is a process.
No wise pilot, no matter how great his talent and experience, fails to use his checklist..
广告不会创造产品优势。它只能传达它。
Writing is the art of making the invisible visible.