I, Martin Luther, have published this brief book for the comfort and saving of the poor consciences which are by the law of men held in bondage in monasteries and convents; that they may be able to arm and strengthen themselves with the Word of God, so as to be steadfast in the pains of death and other trials. But those who are overbold and unruly, who give no other evidence of being Christians except that they can eat eggs, meat and milk, stay away from confession and break the images, etc.,—these I warn that I do not wish my words to help them. For I regard them as the filthy people who defiled the camp of Israel [Deut. 23:12 f.], although such cleanliness was enjoined upon the people that a man was required to go outside the camp to ease himself and to cover up with earth that which came from him. We also must endure these unclean lapwings in our nest [Deut. 14:18, Lev. 11:19], until God teach them manners. This Christian liberty I would have preached only to poor, humble, captive consciences, so that poor children, nuns and monks, who would like to escape from their bondage may inform their consciences how they may do so with God's approval and without danger, and use their freedom in an orderly and Christian way. May God grant His blessing. Amen.
That the doctrines of men are to be rejected: proof from the Scriptures.
I
Moses in Deuteronomy iv, 2 says, "Ye shall not add unto the word which
I command you, neither shall ye diminish aught from it," [Deut. 4:2]
But some one will say that Moses speaks only of his word; but to the books of Moses there have also been added many books of the prophets and the entire New Testament. I answer: True; but nothing new has been added: the same things that are found in the books of Moses are found in the others. For the other books do no more than show how in the course of history the word of Moses was kept or not kept. It is indeed stated in different words and the histories are different, but thoughout there is one and the same teaching. And here we can challenge them to point out anywhere in all the books added to the books of Moses a single word that is not found earlier in the books of Moses. For it is beyond question that all the Scriptures point to Christ alone. Now Christ says, in John V, 46, "Moses wrote of me." [John 5:46] Therefore everything that is in the other books is also in the books of Moses, and these are the original documents.
II
Isaiah xxix, 13, which the Lord quotes in Matthew xv, 8: "This people draweth nigh unto me with their mouth, but their heart is far from me. But in vain do they worship me, teaching the doctrines and commandments of men." [Isa. 29:13, Matt. 15:8]
Mark the word of Christ, Who calls it vain worship to serve God after the doctrines of men. For Christ is not drunken or a fool; on His word we must build in all things rather than on all angels and creatures [Gal. 1:8].
III
The same Christ in the same chapter, Matthew xv, 11, says, "Not that which goeth into the mouth defileth a man; but that which cometh out of the mouth, this defileth a man." [Matt. 15:11]