"What unifies the church is the gospel. What defines the gospel is the Bible. What interprets the Bible correctly is a hermeneutic centered on Jesus Christ crucified, the all-sufficient Savior of sinners, who gives himself away on terms of radical grace to all alike. What proves that that gospel hermeneutic has captured our hearts is that we are not looking down on other believers but lifting them up, not seeing ourselves as better but grateful for their contribution to the cause, not standing aloof but embracing them freely, not wishing they would become like us but serving them in love (Galatians 5:13). "
Ray Ortlund at Christ Is Deeper Still