"The human heart is like a vacuum too. If it feels empty, we will fill it. Sometimes we choose poorly in the filling of our hearts. Once sin finds a home in our heart and mind, showing up in our habits and lifestyle, there's really just one way to eliminate it effectively. In a practical sense, it can't be simply removed or forgotten. When you pull something from a vacuum, low pressure forces draw it-or something else nearby-back into it. It must be replaced, selectively, with something good. "