我们不是从祖先那里继承土地；我们是从子孙那里借来的。
We don't inherit the land from our ancestors; we borrow it from our children.
The best leaders are those who listen more than they speak.
We are at a unique stage in our history. Never before have we had such an awareness of what we are doing to the planet, and never before have we had the power to do something about it.
今天我们必须负责任地开采煤炭，这样我们的孩子才能继承能源安全和健康的环境。
成功的基石建立在努力和诚信之上，就像最坚硬的石头一样。
