Never underestimate the importance of listening—to your team, your customers, and the world around you.

自满是进步的大敌。

你的天空无法变蓝是因为我。

We Germans will never get rid of Hitler. He is like a birthmark on our face.

自由是做法律允许的事情的权利。

永远不要停止学习；一旦停止，你就停止了成长。