If oxen and horses and lions had hands and could paint with their hands and produce works of art as men do, horses would paint the forms of the gods like horses, and oxen like oxen, and they would make their bodies in accordance with the form that each species itself possesses.

The best time to plant a tree was 20 years ago. The second best time is now.

可持续性不是一种风格，而是一种责任。