By Beatrice Amponsah and Papa Kwamina Ansah

Editor’s Note:

[This article offers a thoughtful and respectful examination of how the Bible and the Qur’an relate to one another, especially in conversations about scriptural integrity, prophetic authority, and moral teaching. The authors approach these sensitive themes with care, grounding their reflections in the texts themselves while acknowledging the significance of these discussions for both Christian and Muslim readers. Their aim is not to provoke controversy, but to encourage deeper understanding, honest inquiry, and meaningful dialogue across faith traditions.]

Introduction

Several posts on social media about faith and religion have necessitated a brief but thorough exploration on how the Bible and the Qur’an are often compared with discussions focused around alleged corruption of earlier scriptures, the reliability of prophetic authority, and the consistency of moral standards. 

This article evaluates the claim of continuity between the Bible and the Qur’an by examining their internal teachings and theological implications.

Meaning of Corruption and Scriptural Reliability

Corruption, in its most basic sense, refers to the alteration of something originally pure or reliable in a manner that compromises its trustworthiness. Within Islamic theology, it is sometimes asserted that earlier scriptures have undergone such corruption. 

However, this claim invites careful examination, particularly in light of Qur’anic passages that appear to acknowledge the authority of previous revelations. Moreover, the Qur’an itself never specifies when, how, or by whom the Bible was corrupted—nor does it identify which portions are unreliable

Qur’an 10:94 states: “If you are in doubt concerning what We have revealed to you, then ask those who have been reading the Scripture before you.”

Some Muslim scholars argue that this verse refers only to the original revelations, not the present biblical text. However, this explanation raises further questions, since the verse does not distinguish between original and extant scriptures.

Beyond Qur’an 10:94, other Qur’anic passages speak positively about the earlier Scriptures in ways that raise serious questions about the claim that the Bible was corrupted.

The Qur’an describes the Torah and the Gospel as revelations that contain guidance and light:

“Indeed, We sent down the Torah, in which was guidance and light…” (Qur’an 5:44)
“And We sent, following in their footsteps, Jesus, son of Mary, confirming what came before him in the Torah; and We gave him the Gospel, in which was guidance and light…” (Qur’an 5:46)

These statements are presented without warning or limitation. The Torah and the Gospel are not described as unreliable, altered, or unsafe to consult. Instead, they are spoken of as active sources of guidance at the time the Qur’an addresses Jews and Christians.

The Qur’an also speaks of Jews and Christians as people who actually possessed their Scriptures:

“Those to whom We gave the Scripture know it as they know their own sons…” (Qur’an 2:146)

This wording assumes real possession and real knowledge, not the loss or corruption of the text.

In addition, the Qur’an teaches that God preserves His revelations:

“Indeed, it is We who sent down the Reminder, and indeed, We will be its guardian.” (Qur’an 15:9)

Although this verse is often applied only to the Qur’an, the Qur’an itself presents the Torah, the Gospel, and the Psalms as revelations from the same God (Qur’an 4:163). If God safeguards His word, then the claim that earlier revelations were completely altered, without clear explanation of when or how, creates a serious theological difficulty.

Taken together, these passages indicate that, during the time of Muhammad, the Scriptures in the hands of Jews and Christians were treated as meaningful and reliable enough to provide guidance. Since guidance and light cannot come from a fully corrupted source, these verses strengthen the point that the Qur’an itself does not clearly teach that the Bible had been textually corrupted.

Christ, Muhammad, and the Question of Moral Authority

Both Christianity and Islam hold Jesus in high esteem. The Qur’an recognizes Jesus as a messenger of God and records several of His miracles (Qur’an 3:49). Christianity, however, goes further by affirming the sinlessness and complete truthfulness of Christ (John 14:6; Hebrews 4:15), presenting Him as the definitive revelation of God’s will.

In contrast, the Qur’an records that Muhammad:

• Asked Allah for forgiveness (Qur’an 47:19; 40:55; 48:1–2)
• Expressed uncertainty regarding his ultimate destiny (Qur’an 46:9)

Within Christian theology, moral law flows from God’s unchanging nature, not merely from social regulation. Christian theology teaches that Christ is the source of eternal salvation because He was perfected and without sin (Hebrews 5:9). This raises a legitimate theological question for reflection:

How can a later prophet who requires forgiveness supersede one who is sinless and already the source of salvation? Or how can someone who asked for forgiveness replace the person who forgave the sins of men (cf. John 8:11)?

This contrast challenges the claim that Muhammad represents a corrective or superior revelation to Christ. Once again, these reflections are not intended to dismiss Islamic belief but rather to highlight significant theological differences that merit careful and respectful consideration.

The Holy Spirit and Claims of Prophetic Continuity

Some Islamic interpretations suggest that the Helper promised by Jesus refers to Muhammad. However, the biblical text clearly defines the Holy Spirit as:

• A divine presence
• One who dwells within believers
• Not a human prophet (John 14:26; John 15:26; John 16:13-14)

This distinction is crucial. A reinterpretation that contradicts the original biblical context does not constitute fulfillment but reinterpretation. 

“But the Comforter, which is the Holy Spirit whom the Father will send in my name, he shall teach you all things, and bring all things to your remembrance whatsoever I have said unto you.” (John 14:26)

Consequently, the claim that Muhammad fulfills the promise of the Holy Spirit is incompatible with biblical theology and linguistic context. Even though the focus of this article is different, let me throw this in there, this passage affirms the Godhead (The Holy Spirit, The Father and Jesus Christ, the Son) which is firmly rejected in Islam.

Moral Law, Marriage, and the Question of Consistency

The Bible consistently teaches that God’s nature and moral law do not change (Malachi 3:6; Hebrews 13:8). Within this framework, marriage is presented as a divinely established union between one man and one woman (Genesis 2:24; Matthew 19:4–6). This standard is viewed not as culturally contingent but as reflective of God’s enduring moral design.

By contrast, the Qur’an permits a man to marry up to four women, provided he can treat them justly (Qur’an 4:3), and also records that Muhammad himself was granted multiple wives (Qur’an 33:50). Muslim scholars often explain these practices within the historical and cultural context of seventh-century Arabia. While such explanations are important for historical understanding, the biblical perspective maintains that cultural norms do not redefine divine moral standards.

These differing views on marriage and moral practice further illustrate that the Bible and the Qur’an articulate distinct ethical frameworks, rooted in different theological assumptions about the nature of God and revelation.

Conclusively, while Islam affirms the Qur’an as the final revelation, certain Qur’anic passages acknowledge the authority of earlier scriptures, inviting thoughtful inquiry into claims of biblical corruption. Similarly, contrasting portrayals of Christ and Muhammad raise important questions about moral perfection and salvific authority.