世界的眼泪是恒定的。每当一个人开始哭泣，另一个地方就有一个人停止哭泣。笑声也是如此。
The tears of the world are a constant quantity. For each one who begins to weep, somewhere else another stops. The same is true of the laugh.
领导力在于激励他人，在他们曾经看到障碍的地方看到可能性。