Chael Sonnen is a famous retired mixed martial artist. He was also a coach on the show The Ultimate Fighter.
The advice in the video is fantastic - whether you're fighting in the ring or your own personal battles.
via UFC
Silencing the voice in your head that says "you can't" is impossible, but ignoring the voice, and learning to compete with it is entirely possible.
Failure is an option, but it's the only option available if you don't try. Motion begets motion. And, with persistence, failure can be a stone on the path to eventual success.
Onwards!
