能源的未来在于传统资源与可再生替代品之间的平衡。
The future of energy lies in the balance between traditional resources and renewable alternatives.
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.
Never stop learning, because the land and the livestock will always teach you something new.《The Future of Farming》
每个程序都有（至少）两个目的：一个目的是为它编写的，另一个不是目的。