December 15, 2025

Today's Reading: Isaiah 40:1-11

Daily Lectionary: Isaiah 30:27-31:9; Revelation 3:1-22

"A voice cries: ‘In the wilderness prepare the way of the LORD; make straight in the desert a highway for our God. Every valley shall be lifted up, and every mountain and hill be made low; the uneven ground shall become level, and the rough places a plain." (Isaiah 40:3-4)

In the Name + of Jesus. Amen.

When John the Baptizer was asked who he was, he pointed to this verse from Isaiah. So, how did he change the landscape? By preaching repentance.

Turns out people aren't generally keen on confessing their sins. The world is not a very forgiving place. We ourselves have been trained from the earliest ages to find reasons why our wrongs were actually rights. A child who is confronted with knocking over a lamp might blame a stuffed animal. That doesn't work, but our reasoning gets more sophisticated as we grow. It was a sibling's fault. It was a parent's fault for putting the lamp so close to the edge. It was an emergency, so haste was more important than the lamp. Whatever the reason, it doesn't matter. So long as someone believes it, we show ourselves to be right.

We live in a world that demands self-righteousness. If you cannot justify yourself, you will be blamed. However, when people without faith sin in such a way that they cannot justify themselves, it breaks them. Guilt overwhelms them. All that self-justification was actually protection. And without it, people lose their minds, which is why confession and absolution in the Church is so weird to people. Why would anyone willingly put themselves through such guilt and shame? However, the repentance of a Christian has two parts. First is sorrow over our sin. That is the same as anyone else. It's the second part that is different. The second part is hope. A sure and certain hope that all our sin is forgiven. The guilt is made Christ's. The shame hangs on His shoulders. His blood pays for it. And His life is given for our salvation.

Without Christ, we would make mountains to hide our sin behind. We would bury in whatever valley we could. But the way of the Lord leaves nowhere for our sin to hide. All our hiding places are made an open field, so the sin can all be seen. And so that Jesus can take it all away. That is why we are so willing to turn in repentance. That is why we willingly confess our sins. Because we know the one who takes them and makes them His. And they're ours no longer.

In the Name + of Jesus. Amen.

Make ye straight what long was crooked; Make the rougher places plain. Let your hearts be true and humble, As befits His holy reign. For the glory of the Lord Now o'er earth is shed abroad, and all flesh shall see the token That His Word is never broken. (LSB 347:4)

Author: Rev. Eli Davis, pastor of St. Paul Lutheran Church in Grants Pass, OR.

Audio Reflections Speaker: Rev. Richard Heinz, pastor at Trinity Lutheran Church in Lowell, IN.

Work through the first ten chapters of Matthew and learn more about who Jesus is. As you move through this study, you’ll ponder the theological, practical, and historical considerations of the text. With ample room for personal notes, this study will have you feeling confident in your understanding of Matthew’s Gospel. Matthew 1:1-11:1 of the new Concordia Commentary Bible Study Series is available now.