林业的未来在于技术，但它必须服务于自然，而不是剥削自然。

Success is not the result of spontaneous combustion. You must set yourself on fire.

"When I approach a child, he inspires in me two sentiments: tenderness for what he is, and respect for what he may become."

每一天都证实了他对所有人类性格的不一致性的信仰，以及对功绩或理智外表的依赖性很小。