Martin. Martin Luther. Not King.
I know we have a special holy day for Martin Luther King,
but this is the original one.
Figs From Thistles? Not According to Martin Luther
Luther, House Postil: "No one is so foolish as to go into a field full of thorns and thistles and look for grapes and figs. Such fruits we seek on a different plant, which is not so full of barbs and prickles. The same thing happens in our gardens. Seeing a tree full of apples or pears, everybody exclaims: Ah, what a fine tree that is! Again, where there is no fruit on a tree or the fruit is worm-eaten, cracked, and misshapen, everybody says the tree is worthless, fit to be cut down and cast into the fire, so that a better tree may be planted in its place. These tests, the Lord says, you must apply to the false prophets, and you will not make a mistake, no matter how good their appearance may be. If f wolf had put on twenty sheepskins, still you must know him to be a wolf and not be deceived by him." C. F. W. Walther, The Proper Distinction between Law and Gospel, trans. W. H. T. Dau, St. Louis: Concordia Publishing House 1897, p. 412.
KJV Matthew 7:15 Beware of false prophets, which come to you in sheep's clothing, but inwardly they are ravening wolves. 16 Ye shall know them by their fruits. Do men gather grapes of thorns, or figs of thistles? 17 Even so every good tree bringeth forth good fruit; but a corrupt tree bringeth forth evil fruit. 18 A good tree cannot bring forth evil fruit, neither can a corrupt tree bring forth good fruit. 19 Every tree that bringeth not forth good fruit is hewn down, and cast into the fire. 20 Wherefore by their fruits ye shall know them. 21 Not every one that saith unto me, Lord, Lord, shall enter into the kingdom of heaven; but he that doeth the will of my Father which is in heaven.