The farmer is the only man in our economy who buys everything at retail, sells everything at wholesale, and pays the freight both ways.

你必须愿意冒险，走出你的舒适区。

Courtesy costs nothing. Lower the toilet seat after use. Let the people in the elevator exit before you enter. Return shopping carts to their designated areas. When you borrow something， return it better shape (filled up， cleaned) than when you got it.

We need to create technologies that enhance our humanity, not diminish it.

林业的未来属于那些将树木视为生命系统而不仅仅是立木库存的人。