Sharper Iron — The New Covenant in Christ: God Disciplines Us as His Sons

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Rev. William Terjesen, pastor at the Lutheran Church of Our Redeemer in Peekskill, NY, joins host Rev. Timothy Appel to study Hebrews 12:3-17.

The author of Hebrews continues to fix the eyes of his congregation upon Jesus. The Lord’s endurance in the face of hostility is the source of strength for Christians in the midst of their suffering. When Christians experience the trials of this life, they should not think that God has forsaken them. Instead, they should receive suffering as discipline from God as their heavenly Father. His discipline is always for our good, so that we would share His holiness and bear the fruit of righteousness. This strengthens us for the race that is set before us so that we would not fall into unrepentant sin, like Esau, but rather would strive to live in the holiness that the Lord gives.

“The New Covenant in Christ” is a series on Sharper Iron that goes through the book of Hebrews. The book of Hebrews is best understood as a sermon preached to those who have gathered for the Divine Service, exhorting them to continued faithfulness to Jesus. As the Son of God and our Brother, Jesus is both our exalted King and faithful High Priest who is truly present with us so that we might fix our eyes on Him.

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.

Hebrews 12:3-17

Do Not Grow Weary

3 Consider him who endured from sinners such hostility against himself, so that you may not grow weary or fainthearted. 4 In your struggle against sin you have not yet resisted to the point of shedding your blood. 5 And have you forgotten the exhortation that addresses you as sons?

“My son, do not regard lightly the discipline of the Lord,
nor be weary when reproved by him.
6 For the Lord disciplines the one he loves,
and chastises every son whom he receives.”

7 It is for discipline that you have to endure. God is treating you as sons. For what son is there whom his father does not discipline? 8 If you are left without discipline, in which all have participated, then you are illegitimate children and not sons. 9 Besides this, we have had earthly fathers who disciplined us and we respected them. Shall we not much more be subject to the Father of spirits and live? 10 For they disciplined us for a short time as it seemed best to them, but he disciplines us for our good, that we may share his holiness. 11 For the moment all discipline seems painful rather than pleasant, but later it yields the peaceful fruit of righteousness to those who have been trained by it.

12 Therefore lift your drooping hands and strengthen your weak knees, 13 and make straight paths for your feet, so that what is lame may not be put out of joint but rather be healed. 14 Strive for peace with everyone, and for the holiness without which no one will see the Lord. 15 See to it that no one fails to obtain the grace of God; that no “root of bitterness” springs up and causes trouble, and by it many become defiled; 16 that no one is sexually immoral or unholy like Esau, who sold his birthright for a single meal. 17 For you know that afterward, when he desired to inherit the blessing, he was rejected, for he found no chance to repent, though he sought it with tears.