Good works are the seals and proofs of faith; for even as a letter must have a seal to strengthen the same, even so faith must have good works.
Martin LutherThe 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 LutherTwo devils rose from the water, and flew off through the air, crying, 'Oh, oh, oh!' and turning one over another, in sportive mockery.
Martin Luther