森林不仅仅是树木的集合，而是一个维持生命的活生态系统。
The oldest and strongest emotion of mankind is fear, and the oldest and strongest kind of fear is fear of the unknown.
我喜欢批评，它让你变得强大。
"A journey is a person in itself; no two are alike. And all plans, safeguards, policing, and coercion are fruitless. We find after years of struggle that we do not take a trip; a trip takes us."
真正的科学首先教会人怀疑与承认无知。