Our true source of contamination is our corrupt hearts leading to our corrupt lives- our true source of cleansing is Jesus, who gives us new hearts and new obedience.-1. We must understand the source of defilement. -v.14-15--2. All leaders must understand this. -v.17 - 19--3. We must understand the vices that reside within every person. -v.20 - 23--Applying- Why do so many focus on the outside, instead of the inside--What is the true source of dirty lives- Rom. 14-14-23-Who says our hearts are the center of our being- Prov. 4-23-What is inside of you- Do you see it- 1 Sam. 16-7, Ps. 139-23-24