Innovation in forestry isn't optional—it's essential for survival.《The Green Frontier》
即使没人相信你,也要相信自己。
Sustainability isn't an option; it's a responsibility we owe to future generations.
我认为人们相信天堂是因为他们不喜欢死亡的想法,因为他们想继续活着,他们不喜欢别人会搬进他们的房子并把他们的东西扔进垃圾堆的想法。