They say the blood of the martyrs is the seed of the Church—but what happens when that blood is spilled by fellow Christians?  Though the real historical violence has mostly faded, the attitude often lives on in our hearts. How do we handle secondary doctrines that were never meant to define salvation? In this sobering yet hopeful message, the clash between Paul and Barnabas shows us how to agree to disagree.  We stand firm on the essentials, examine every belief in light of Scripture, and learn how to cooperate without compromise.