Martin Luther — Concerning Christian Liberty

Faith alone and the word reign in it; and such as is the word, such is the soul made by it, just as iron exposed to fire glows like fire, on account of its union with the fire.

Thus the promises of God give that which the precepts exact, and fulfil what the law commands; so that all is of God alone, both the precepts and their fulfilment. He alone commands; He alone also fulfils.

For this we must know, that all our shelter and protection rest in prayer alone. For we are far too feeble to cope with the devil and all his power and adherents that set themselves against us, and they might easily crus…

Therefore you should say: My prayer is as precious, holy, and pleasing to God as that of St. Paul or of the most holy saints. This is the reason: For I will gladly grant that he is holier in his person, but not on accoun…

Therefore the ancients ably defined prayer an Accensus mentis ad Deum, a climbing up of the heart unto God.

Tell your master that if there were as many devils at Worms as tiles on its roofs, I would enter.