No man is fit to hold office who isn't perfectly willing to leave it at any time...

Everyone seems very lonely, with their own way to find ways to escape loneliness; actually they still continue their own loneliness.

Your job as a leader is to make those around you better, not to make yourself look better.

If you're not listening to your customers, you're already falling behind.

在理论物理学的领域里，每一个发现都会带来新的问题和挑战。