我们不是从祖先那里继承地球，而是从子孙那里借来的。
We don't inherit the earth from our ancestors; we borrow it from our children.
Act as if what you do makes a difference. It does.
理解复杂系统的行为需要一种新的思维方式，一种接受不确定性和不可预测性的思维方式。
In times of crisis, transparency builds trust faster than any PR campaign.
You have to believe in yourself when no one else does.
