Your real strength within isn't the strength that you experience in your self. Your real strength within is in what you are as a being, deeper than what your self is. Your real strength is within your weakest weakness.
My dad's side of the family. . . they're a real bizarre bunch, going back to the original colonies. That side's got a real tough strain of alcoholism. It goes back generations and generations, so that you can't remember when there was a sober grandfather.