Martin Luther — Large Catechism

Ask God to work faith in you; otherwise you will remain eternally without faith, no matter what you try to do or fabricate.

Thus from faith flow forth love and joy in the Lord, and from love a cheerful, willing, free spirit, disposed to serve our neighbour voluntarily, without taking any account of gratitude or ingratitude, praise or blame, g…

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

I will therefore give myself as a sort of Christ, to my neighbour, as Christ has given Himself to me; and will do nothing in this life except what I see will be needful, advantageous, and wholesome for my neighbour, sinc…

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.