Conclusion: Tips for Delighting in the Old Testament

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

by Jason DeRouchie February 7, 2024

“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 righteous (Ps 19:7–9). “More to be desired are they than gold, even much fine gold; sweeter also than honey and dripping of the honeycomb” (19:10).

Through his Son’s life, death, and resurrection, the reigning God saves and satisfies sinners who believe and enables them to celebrate his Son’s greatness through all of Scripture. And “beholding the glory of the Lord,” we are “being transformed into the same image from one degree of glory to another” (2 Cor 3:18). As a conclusion to this study, here are seven tips to those aspiring, as God intended, to delight in the OT through Christ and for Christ.

1. Remember That the Old Testament Is Christian Scripture

What we call the OT was the only Scripture Jesus had, and the apostles stressed that the prophets wrote God’s Word to instruct Christians. Paul says, for example, that God’s guidance of Israel through the wilderness was “written down for our instruction, on whom the end of the ages has come” (1 Cor 10:11; cf. Rom 15:4). Similarly, Peter emphasized that “it was revealed to them [i.e., the OT prophets] that they were serving not themselves but you”—the church (1 Pet 1:12).

When Moses and the prophets wrote, they were writing for Christians (Deut 30:8; Isa 29:18; 30:8; Jer 30:1–2, 24; 31:33; Dan 12:5–10). In short, the OT is Christian Scripture that God wrote to instruct us. As Paul tells Timothy, these “sacred writings … are able to make you wise for salvation through faith in Christ Jesus,” and it is this “Scripture” that is “profitable for teaching, for reproof, for correction, and for training in righteousness” (2 Tim 3:16). Old in OT does not mean unimportant, and we should approach the text accordingly.

2. Interpret the Old Testament with the Same Care
You Would the New Testament

To give the same care to the OT as to the NT means that we treat it as the very Word of God (Mark 7:13; 12:36), which Jesus considered authoritative (Matt 4:3–4, 7, 10; 23:1–3), believed could not be broken (John 10:35), and called people to know so as to guard against doctrinal error and hell (Mark 12:24; Luke 16:28–31; 24:25; John 5:46–47). Methodologically, caring for the OT means that we establish the text, make careful observations, consider the context, determine the meaning, and make relevant applications. We consider genre, literary boundaries, grammar, translation, structure, argument flow, key words and concepts, historical and literary contexts, and biblical, systematic, and practical theology. We study each passage within its given book, within salvation history, and in relationship to Christ.

So many Christians will give years to understanding Mark and Romans and only weeks to Genesis, Psalms, and Isaiah, while rarely even touching the other books. When others take account of your life and ministry, may such realities not be said of you. We must consider how Scripture points to Christ (Luke 24:25–26, 45–47) and faithfully proclaim “the whole counsel of God” (Acts 20:27), ever doing so as those rightly handling “the word of truth” (2 Tim 2:15).

3. Treat Properly the Covenantal Nature of the Old Testament

The two parts of the Bible are called the Old and New Testaments because they each principally address the old and new covenants, respectively. We call Jesus’s Bible a testament because of its covenantal quality (testamentum is Latin for “covenant”). The OT addresses how God establishes and enforces his Mosaic covenant. And unlike the NT, which addresses a multinational church and was written in the common language of Greek, the OT was written to Hebrews in Hebrew.

The OT bears a historical particularity that requires us to observe, understand, and evaluate carefully before application. To engage the OT as a testament requires that we recognize the distinct covenantal elements in the text and then consider how Christ’s coming influences our understanding of every passage.

4. Remember Why the Old Testament Is Called Old

Building on the previous point, the OT details a covenant of which Christians are not a part and that has been superseded by the new. This fact requires that Christians carefully consider how Christ fulfills every OT story, promise, and law before establishing its relevance. While Moses’s instructions still have value for Christians, they do so only through Christ (Deut 30:8; Matt 5:17–19). Similarly, while every promise is yes for Christians, it is so only in Jesus (2 Cor 1:20).

As Christians, we must interpret the OT in light of Jesus’s coming. His person and work realize what the OT anticipates (Matt 5:17–18; Luke 24:44; Acts 3:18), he stands as the substance of all OT shadows (Col 2:16–17), and he embodies every ethical ideal found in both the law and wisdom (Rom 5:18–19). We need to recognize that one of the OT’s fundamental purposes is to help us celebrate Christ and all God would accomplish through him.

5. Read the Old Testament through the Light and Lens of Christ

Jesus supplies both the light and lens for reading the OT rightly. “Light” indicates that interpreting the OT properly is possible only for those who have seen “the light of the gospel of the glory of Christ” (2 Cor 3:4). “Lens” stresses that Jesus’s life, death, and resurrection disclose truths in the OT that were always there but not yet clear (Rom 16:25–26; 1 Cor 3:14). Christians must recognize that there are significant continuities between the Testaments, such that many righteous people saw Christ from a distance (Matt 13:17; Luke 10:24; John 8:56; 1 Pet 1:10–12). On the other hand, there are also significant discontinuities, in that the rebel population was not given a heart to understand (Deut 29:4; Isa 6:9–10), nor did God disclose the mystery of the kingdom until Christ came (Dan 12:8–10; Mark 4:11–12).

The NT provides both the answer key and the algorithm for reading the OT in its fullness. By elevating Christ’s person and work, the NT signals the substance of all previous shadows, realizes the hopes of all previous anticipations, and clarifies how the various OT patterns and trajectories find their resolve. Through Jesus, God enables and empowers us to read the OT as he intended. Jesus is both our light and lens.

6. Consider How Faithfully to See and Celebrate
Christ in the Old Testament

Christians must seek to analyze and synthesize how the whole Bible progresses, integrates, and climaxes in Christ. Following the lead of Scripture itself, we can see and celebrate Christ from the OT in numerous ways.

    1. Consider how Christ stands as the climax of the redemptive story.
    2. Identify how Christ fulfills messianic predictions.
    3. Recognize how Christ’s coming creates numerous similarities and contrasts between the old and new ages, creations, and covenants.
    4. Determine how Christ is the antitype to OT types.
    5. Reflect on how Yahweh’s person and work anticipates Christ.
    6. Contemplate how Christ embodies every ethical ideal from OT law and wisdom.
    7. Instruct from the OT through Christ’s mediation—both through the pardon he supplies, which secures both promises and power, and the pattern of godliness that he sets.

7. Assess How the New Testament Authors
Are Using the Old Testament

The early church devoted itself to the apostles’ teaching (Acts 2:42), and the whole church is built on the foundation of the apostles and prophets, with Jesus as the cornerstone (Eph 2:20). Yet what Bible were the apostles using? They were using the OT, and they were making much of Christ from it. The NT is loaded with quotations of and allusions to the OT, and we should note the significance of these citations.

When Paul asserted to the Corinthians, “I decided to know nothing among you except Jesus Christ and him crucified” (1 Cor 2:2), he did so as an OT preacher. And when he claimed that “all Scripture … is profitable” (2 Tim 3:16), the “Scripture” he principally had in mind was the OT. You will help yourself and your people to cherish the whole counsel of God (Acts 20:27) and to appreciate the whole Bible when you take the time to wrestle with the NT’s citations of the Old.


The OT is Christian Scripture, and we can enjoy it best when we approach it through Christ and for Christ. The OT magnifies Jesus in numerous ways, and his person and work clarify how to rightly discern the continuities and discontinuities of salvation history. Through the light and lens that Christ supplies, Christians can enjoy in the same God and the same good news in both Testaments. We can also embrace all God’s promises and rightly apply Moses’s law as revelation, prophecy, and wisdom. Start delighting in the OT through Christ and for Christ!

¹For each of these steps, see Jason S. DeRouchie, How to Understand and Apply the Old Testament: Twelve Steps from Exegesis to Theology (Phillipsburg, NJ: P&R, 2017).

This blog series summarizes Jason S. DeRouchie’s forthcoming book, Delighting in the Old Testament: Through Christ and for Christ (Wheaton, IL: Crossway, 2024). You can pre-order your copy here.

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