Confession of Faith (2)

b) But in the second place you promise to adhere to the doctrine of your church by rejecting all heresies repugnant to the doctrine that is taught there. That, too, is important. Any heresy which arises in the church or any heresy on the outside which threatens the church, you promise to reject. And that doesn’t only mean that you pronounce your “No” over against that heresy, and then cease to worry about it; that means that you use all your ability to combat that heresy as long as it remains a...