"I think that if you keep banging at the door all you need is a little foothold, a little tiny foothold, and then the rest will take care of itself"

This quote by Branford Marsalis is a metaphor for perseverance and determination. He is recommending that if you keep trying and never quit, you will eventually find success. He is stating that if you keep banging at the door, eventually you will discover a little grip, a small opening that will give you the opportunity to make development. As soon as you have that grip, the rest will look after itself. This quote is encouraging us to never quit and to keep pressing forward, even when it seems like all hope is lost. It is a suggestion that if we keep trying, eventually we will find success.