成为英雄的最大障碍是怀疑自己是否会证明自己是个傻瓜;真正的英雄主义是抵制这种怀疑;最深刻的智慧是知道何时应该抵制,何时应该服从。
We don't inherit leather from our ancestors—we borrow it from our children.
经济增长和环境责任之间的平衡是我们这个时代的决定性挑战。
"Hope is the thing that keeps us moving forward, even when the path is dark."