The Deceiver can magnify a little sin for the purpose of causing one to worry, torture, and kill oneself with it. This is why a Christian should learn not to let anyone easily create an evil conscience in him. Rather let him say, "This error and this failing pass away with my other imperfections and sins, which I must include in the article of faith: I believe in the forgiveness of sins.
Martin LutherThe gospel cannot be preached and heard enough, for it cannot be grasped well enough ... Moreover, our greatest task is to keep you faithful to this article and to bequeath this treasure to you when we die.
Martin LutherAt the last, when we die, we have the dear angels for our escort on the way. They who can grasp the whole world in their hands can surely also guard our souls, that they make that last journey safely.
Martin Luther