可持续发展不再是可选项，而是任何负责任的采矿业务的必要条件。
Educate the children， and it won't be necessary to punish men.
All living creatures are engendered from eggs.
Stay hungry, stay foolish, but also stay focused.
流放不仅仅是一个地理概念。你可以在自己的祖国、自己的家里、一个房间里成为流放者。
The world is a better place with your art in it.
真正的领导者倾听多于发言，学习多于教导。