Even in his last years, Granddad had a mind like a steel trap, only one that had been left out so long, it had rusted shut.
Here's the song to listen to while you read the lyrics. It is a lot like the circle trilogy by Ted Dekker. It is meant to be sung before the actual song...but the song itself is meant to be sung before (younger people)...however, the fact that one is older does not change the mechanics of the thing...a circular explanation...