我从未见过一只野生动物为自己感到难过。一只小鸟会冻死在树枝上，却从不自怜。
I never saw a wild thing sorry for itself. A small bird will drop frozen dead from a bough without ever having felt sorry for itself.
从长远来看，经济前景是乐观的。
Innovation in forestry practices is essential to meet the challenges of climate change.《The Green Canopy》
I think goals should never be easy, they should force you to work, even if they are uncomfortable at the time.
信念有创造的力量，也有毁灭的力量。