If I go to the bar, pick up a woman and spend the night with her, spending the night with her is the fruit of sin that first took root in my heart. Focusing on externals will only turn one into a white-washed tomb. Clean on the outside but full of defilement.
This is what Jesus was referring to when He said, "Clean the inside of the cup and the outside will be clean."
This is what Jesus was referring to when He said, "Clean the inside of the cup and the outside will be clean."