可持续性不是一种选择；它是长期成功的必要条件。
Sustainability is not an option; it's a necessity for long-term success.
The one thing that you have that nobody else has is you. Your voice, your mind, your story, your vision. So write and draw and build and play and dance and live as only you can.
一个人直到能够超越个人利益的狭隘局限，关注整个人类的利益，他才真正开始生活。
牛、猪、战争和巫术并非任意的文化偏好，而是对物质条件的适应。