I have missed more than 9,000 shots in my career. I have lost almost 300 games. On 26 occasions I have been entrusted to take the game winning shot…and I missed. I have failed over and over and over again in my life. And that’s precisely why I succeed.
– Michael Jordan

And speaking of Michael Jordan, this is still my all time favorite commercial:

[Photo via http://www.tumblr.com]