Sharper Iron — All Righteousness Fulfilled: Purity in Thought, Word, and Deed

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Rev. Mark Barz, pastor at Crown of Life Lutheran Church in San Antonio, TX, joins host Rev. Timothy Appel to study Matthew 5:27-37.

Jesus does not overturn the Old Testament; He fulfills it as He journeys to His cross and empty tomb. In that context, Jesus continues to reveal the true and full intent of the Law to His disciples. Just as the 5th Commandment goes deeper than the physical action of taking a life, so the 6th Commandment goes deeper than the physical union of two people who are not united in marriage. Lust in the heart is already sin in God’s sight. Even though such sin may remain hidden from human eyes, it is known by God. Jesus’ disciples must take the matter very seriously. Jesus teaches that His disciples must do whatever is necessary to cut sin out of their lives, a point that He makes through the use hyperbole. Concerning divorce, Jesus refuses to enter into the debate of His day. He stays above it, teaching God’s true intention for marriage. As we consider this matter today, the only answer is faithfulness to God’s Word in repentance and faith. Concerning oaths, Jesus would have His disciples speak words in the truth that He gives.

“All Righteousness Fulfilled” is a mini-series on Sharper Iron that digs into the Gospel according to St. Matthew. The first evangelist proclaims Jesus to Jews and Gentiles alike as the fulfillment of God’s saving words and acts throughout the Old Testament. As the Christ in the line of David and Abraham, Jesus is the promised King who comes to bring sinners from every nation to live under His gracious reign.

Sharper Iron, hosted by Rev. Timothy Appel, looks at the text of Holy Scripture both in its broad context and its narrow detail, all for the sake of proclaiming Christ crucified and risen for sinners. Two pastors engage with God’s Word to sharpen not only their own faith and knowledge, but the faith and knowledge of all who listen.

Sharper Iron is underwritten by Lutheran Church Extension Fund, where your investments help support the work of The Lutheran Church—Missouri Synod. Visit lcef.org.

Matthew 5:27-37

Lust

27 “You have heard that it was said, ‘You shall not commit adultery.’ 28 But I say to you that everyone who looks at a woman with lustful intent has already committed adultery with her in his heart. 29 If your right eye causes you to sin, tear it out and throw it away. For it is better that you lose one of your members than that your whole body be thrown into hell. 30 And if your right hand causes you to sin, cut it off and throw it away. For it is better that you lose one of your members than that your whole body go into hell.

Divorce

31 “It was also said, ‘Whoever divorces his wife, let him give her a certificate of divorce.’ 32 But I say to you that everyone who divorces his wife, except on the ground of sexual immorality, makes her commit adultery, and whoever marries a divorced woman commits adultery.

Oaths

33 “Again you have heard that it was said to those of old, ‘You shall not swear falsely, but shall perform to the Lord what you have sworn.’ 34 But I say to you, Do not take an oath at all, either by heaven, for it is the throne of God, 35 or by the earth, for it is his footstool, or by Jerusalem, for it is the city of the great King. 36 And do not take an oath by your head, for you cannot make one hair white or black. 37 Let what you say be simply ‘Yes’ or ‘No’; anything more than this comes from evil.[a]

Footnotes:

Matthew 5:37 Or the evil one