Joe and Jimmy argue about nothing important and then get around to talking about John Flavel's classic, Keeping the Heart. In this work Flavel digs into Proverbs 4:23, "Keep your heart with all vigilance, for from it flow the springs of life." What does it mean to "keep the heart?" How do we do it? What is the benefit of it? Plus, more arguing and a quick look in the mailbag.