林业的未来在于平衡经济可行性与生态责任。
The person who tries to live alone will not succeed as a human being. His heart withers if it does not answer another heart. His mind shrinks away if he hears only the echoes of his own thoughts and finds no other inspiration.
小人专门期望他人的恩惠,但受恩后就忘;君子则不轻易受人恩惠,若受恩于人,则必定想法图报。
死亡是唯一真正严肃的哲学问题。
任何社会中最危险的创造物是那些没有什么可失去的人。
"The world is full of obvious things which nobody by any chance ever observes."