Buddhist Catholic Contemplative Evangelical General Christian Hindu Jewish Latter-day Saint Muslim New Visions Progressive Christian

Beliefs

Topics

Columnists

Resource Library

Research Tools

Video

Podcasts

Thought Readers

Faith In Media Tracker

Newsletters

Ad-Free & Subscriber Log-In Subscription Support

Follow Patheos

Home
Catholic
Education and Religion
Is Catholicism The Fulfillment Of The Old Testament?

Is Catholicism The Fulfillment Of The Old Testament?

Last updated on: November 8, 2026 at 9:55 am by David Schloss

0 Comments

Is Catholicism The Fulfillment Of The Old Testament? 2026-11-08T09:55:39-05:00 David Schloss

LOGO Patheos Explore the world's faith through different perspectives on religion and spirituality! Patheos has the views of the prevalent religions and spiritualities of the world.

Does Catholicism Fulfill Judaism?

Catholicism makes sense only when wedded to the Old Testament. Put differently, Catholicism is unintelligible apart from the Old Testament; a foundational claim is that Catholicism fulfills, not abolishes, the Hebrew Scriptures.

For that reason, Saint Irenaeus argued that “The Law is a pedagogy and a prophecy of things to come,” and the Catechism teaches that “The Old Law is a preparation for the Gospel.”

What evidence does Catholicism provide to support this belief? To answer that question, we must first explore the Old Testament.

The Nature Of The Tanakh

The Old Testament, called the Tanakh in Jewish tradition, comprises 46 books. It includes seven deuterocanonical books accepted in the ancient Greek Septuagint and affirmed at the Council of Trent. These seven books are not included in Protestant renditions of the Old Testament.

The Catholic Old Testament is organized into four main sections.

The Pentateuch, also called the Torah, consists of five books and covers creation, the fall of Adam and Eve, and the spread of sin (Cain and Abel, Noah, Tower of Babel).

It also recounts God’s covenant with the patriarchs (Abraham, Isaac, Jacob), the rescue of the Israelites from slavery in Egypt, the giving of the Ten Commandments at Mount Sinai, and the journey toward the Promised Land.

The second section is the historical books. These books chronicle the entry into Canaan, the era of the judges, the rise of the Kingdom of Israel under David and Solomon, the building of the Temple, the division of the kingdom into Israel and Judah, the Babylonian Exile, the return to Jerusalem, and the later Maccabean revolt for religious freedom.

The Wisdom Books are a collection of poetry, prayers, liturgical hymns (the Psalms), and philosophical reflections on human suffering, righteousness, morality, and life’s meaning under God.

Finally, there are the Prophetic Books. These books tell of the prophets who call Israel back to the covenant during times of moral decline and political crisis. They deliver warnings of judgment for injustice and idolatry, paired with promises of a future Messianic hope and a “new covenant”.

In Catholic tradition, the Old Testament is read as salvation history. That is, it is the unfolding story of God preparing humanity for the coming of Jesus Christ.

For our purposes, I will explore three aspects of the Old Testament that find their fulfillment in the New Testament.

Trinitarian Monotheism As The True Identity Of God

Catholic theology asserts that the Bible must be read canonically. Another way of saying this is that the Book of Genesis must be read with the Book of Revelation in mind.

A canonical approach involves a revelatory progression. Beginning with a voice emanating from a burning bush to an itinerant preacher put to death on a cross, God has slowly revealed Himself to mankind.

Since Catholicism asserts that God is a trinity of persons, a key question is whether the Old Testament provides an antecedent typology for trinitarian monotheism.

The argument can be summarized thus: While the New Testament explicitly reveals the Trinity, the Old Testament contains latent structural “footprints” (Word, Spirit, Divine Presence) that make Trinitarian monotheism a fulfillment rather than a contradiction.

If one accepts that Christ is God, then two premises must be developed. First, one must establish Christ’s presence in the Old Testament and, second, the existence of the Trinity (with Christ as the second person).

Since the New Testament reveals God as trinitarian (one divine nature shared by three persons), it follows that if Christ is present in the Old Testament, the Holy Trinity must be as well.

Therefore, to show an antecedent typology for trinitarian monotheism in the Old Testament requires that Christ (inseparable from the Trinity) identifies with and is identical to the God depicted in the Tanakh.

To that end, I will briefly examine two articles of evidence. First, there is Christ’s use of “divine names.” In the Gospel of John, Jesus explicitly uses the absolute “I Am” formulas. Most notably, in John 8:58, He states, “Before Abraham was born, I am!”, directly echoing the divine name revealed to Moses in Exodus 3:14.

Additionally and significantly, Christ self-identifies as the “Lord of the Sabbath” (Matthew 12:8). Since Judaism recognizes that only God has authority over the Sabbath, Christ’s claim would have been clear to every first-century Jew.

Second, Christ claims authority that surpasses the Israelite prophets. This is made evident in the Sermon on the Mount. Where the Israelites received the law from God on Mount Sinai, Christ ascends a mountain to reinterpret the Ten Commandments in the form of the beatitudes.

Additionally, Christ’s language is suggestive of one who can supersede the teachings of the Torah. On six occasions, Christ uses the formula “you have heard it said [in the Torah], but I say” to establish preeminence over the laws of the Old Testament.

This language is paramount to understanding the establishment of a new covenant, the universality of which I turn to next.

Universalism And The New Covenant

“The Son of Man did not come to be served but to serve and to give his life as a ransom for many.” An essential component of the New Testament is its universality.

This is to say that the covenant or promise made by God to His people Israel now grows to engulf all of humanity. (See Genesis 12:3). If that is true, then we must provide evidence that ties the two covenants together while showing the universality of the new covenant.

I began this section with a quote from Matthew’s Gospel. Christ’s use of the qualifier “many” is telling. In Semitic languages, “many” often means all. Moreover, Christ’s statement mirrors the prophecy of the suffering servant described in Isaiah 53:11-12.

If this was indeed His intention, then Christ clearly indicates that His death on the Cross brings remission of sins for all who accept Him, not just the chosen people of Israel.

This formulation and universality of Christ’s statement certainly seems to be what Saint Paul means when he writes, “There is neither Jew nor Greek, there is neither slave nor free person; for you are all one in Christ Jesus.” (Galatians 3:28).

Finally, the eucharistic language contained in Matthew’s Gospel echoes the sacrificial language of Exodus 24:8. Both texts relay the creation of a covenant with God.

Christ Ushers In The Kingdom Of God

The concept of a Kingdom of God, while not explicit, is implied throughout the Old Testament. It is, of course, thematic in the Gospels.

From a Catholic perspective, Christ’s actions and words are inherently eschatological.

Catholic eschatology is not merely a chronological countdown to the end of the world. Rather, it is a structural reality woven into the present time. Through Christ, the “last things” (the eschaton) have broken into human history.

Three aspects should make this clear. First, Christ proclaims God’s Kingdom. When Jesus says, “The time is fulfilled, and the kingdom of God is at hand” (Mark 1:15), He indicates that the climax of salvation history has arrived in His person.

Second, Christ’s healings and exorcisms are not merely random acts of compassion; they are direct signs of the final restoration. When He drives out demons, He demonstrates that the definitive subversion of evil and the defeat of Satan have already begun.

Lastly, Christ’s eschatological work is continuously made present through the liturgy. Every celebration of the Eucharist is an “already” realization – a real participation in the final heavenly banquet.

Conclusion

Before concluding, it is vital to note that Catholicism does not promote a replacement theology. The new covenant Christ ushered in fulfills, not replaces, the promises God made to Israel.

There is only one God. Central to Catholic theology is the position that the one God has progressively revealed Himself in human history. The God that spoke to Moses in the desert is the same God that walked the shores of Galilee. Moreover, the promises made by God in the Old Testament are brought to completion in the New Testament.

Education and Religion

History and Religion

Previous Post

November 1, 2026

Why Is Catholicism Centered on an Instrument of Execution?

What was the name of the man who suffered great loss but remained faithful to God?

Select your answer to see how you score.

Noah Abraham Elijah Job