Jason DeRouchie

Jason DeRouchie is research professor of Old Testament and biblical theology at Midwestern Baptist Theological Seminary. Among his many books are What the Old Testament Authors Really Cared About: A Survey of Jesus’ Bible (Kregel, 2013), How to Understand and Apply the Old Testament: Twelve Steps from Exegesis to Theology (P&R Publishing, 2017), and 40 Questions about Biblical Theology (Kregel, 2020). You can find many of his teachings and writings at his resource website: https://jasonderouchie.com/.

Feb 13

The Story of God’s Glory in Christ by Jason DeRouchie

“When the fullness of time had come, God sent forth his Son” (Gal. 4:4), and now we are living at “the end of the ages” (1 Cor. 10:11; cf. Rom. 13:11). Jesus opened his ministry by “proclaiming the gospel of God, and saying, ‘The time is fulfilled, and the kingdom of God is at hand; […]

Feb 7

Conclusion: Tips for Delighting in the Old Testament by Jason DeRouchie

Series: Delighting in the Old Testament: Through Christ and For Christ

“Sweeter … Than Honey” (Ps 19:10) This blog series has invited you to a feast of rich food and a treasure of incomparable value. The OT was Jesus’s only Bible, and in it you can discover a perfect law that revives the soul, right precepts that rejoice the heart, and true rules that are altogether […]

Jan 10

13: How Jesus Transforms or Annuls
Some Old Testament Law by Jason DeRouchie

Series: Delighting in the Old Testament: Through Christ and For Christ

“The Coastlands Wait for His Law” (Isa 42:4) The previous post provided two examples of how Moses’s law can apply to new-covenant members through Christ and for Christ. There, we saw that Christ’s work can maintain the law with or without extension. This post considers how Christ’s coming transforms or annuls old-covenant instruction. Case Study […]

Jan 1

12: How Jesus Maintains Some Old Testament Laws by Jason DeRouchie

Series: Delighting in the Old Testament: Through Christ and For Christ

“Keep All His Commandments” (Deut 30:8) Having evaluated how the Bible relates OT law to Christians and having considered some of the errors and dangers in alternative approaches, the discussion below overviews a three-step process for applying OT law today. It then supplies two case studies on commands that Christ’s new-covenant law maintains with extension […]

Dec 27

11: Other Views on the Christian and
Old Testament Law by Jason DeRouchie

Series: Delighting in the Old Testament: Through Christ and For Christ

“We Uphold the Law” (Rom 3:31) This post considers alternative proposals to how Moses’s law relates to Christians. It first tackles the common distinction between moral, civil, and ceremonial law, and then it confronts three dangerous approaches to the law that followers of Christ must avoid. Assessing the Threefold Division of the Law Historically, many […]

Dec 20

10: The Christians’ Connection to Moses’s Law by Jason DeRouchie

Series: Delighting in the Old Testament: Through Christ and For Christ

“Not under Law” (Rom 6:14): How does the OT law apply to Christians when so much has changed with Christ’s coming, not least of which is that we are part of the new covenant and not the old? With a simple alliteration, Brian Rosner has captured well three principles that clarify the Christian’s relationship to […]

Nov 22

09: How to Hope in Old Testament Promises through Christ by Jason DeRouchie

Series: Delighting in the Old Testament: Through Christ and For Christ

“The Promises … Yes in Him” (2 Cor 1:20) Yahweh’s promises (old and new) are vital for Christians. If we fail to trustingly embrace OT promises, we will lose three-fourths of the life-giving words of truth that our trustworthy God has given us. Yet we must appropriate them through Christ. “This Will Turn Out for […]

Nov 8

08: The Christian’s Connection to Old Testament Promises by Jason DeRouchie

Series: Delighting in the Old Testament: Through Christ and For Christ

“Heirs according to Promise” (Gal 3:29) Paul claims, “All the promises of God find their Yes in [Jesus]” (2 Cor 1:20), but is he referring only to NT promises or OT promises as well? After citing a list of OT promises later in the epistle (6:16–18), he urges the Corinthians to pursue holiness “since we […]

Oct 25

07: Should Christians Hope in Old Testament Promises? by Jason DeRouchie

Series: Delighting in the Old Testament: Through Christ and For Christ

“Your Promise Gives Me Life” (Ps 119:50) To promise is to assure that one will do a particular thing or that a certain thing will happen. God’s promises of blessing and curse play a key role in helping believers grow in sanctification (2 Pet 1:4) and suffer with hope (Ps 119:50). Promises are one of […]

Oct 11

06: Jesus in Genesis: A Case Study by Jason DeRouchie

Series: Delighting in the Old Testament: Through Christ and For Christ

“He Shall Bruise Your Head”(Gen 3:15) While Exodus–Deuteronomy details Israel’s calling as a holy nation (Exod 19:5–6), Genesis clarifies the global context of that calling and the hope of a royal Deliverer. Accordingly, it describes the initial two KINGDOM stages: Kickoff and Rebellion (creation, fall, flood) and Instrument of Blessing (the patriarchs). It also details […]