That's the open line of the famous poem by the 15th Century French poet Francois Villon. Its about the fleeting nature of the world. And in keeping with that, Obama has taken a fall from the heights of tremendous popularity and he still shows no humility. That's his flaw.
"Show me just what Mohammed brought that was new, and there you will find things only evil and inhuman, such as his command to spread by the sword the faith he preached." - Manuel II Palelologus