"The best investment you can make is in yourself."

When a person realizes he has been deeply heard, his eyes moisten. I think in some real sense he is weeping for joy. It is as though he were saying, "Thank God, somebody heard me. Someone knows what it's like to be me."

To feed the world, we must first learn to listen to the earth.

采矿业必须发展以满足不断变化的世界的需求。