How can a merciful God justify this?
Psalm 136:10 refers to striking down Egypt’s firstborn; how can a merciful God justify the death of innocent children?

Definition and Context

Psalm 136:10 states: “He struck down the firstborn of Egypt—His loving devotion endures forever.” This verse alludes to the tenth plague in Exodus: the death of the Egyptian firstborn (Exodus 12:29). In the immediate context, Psalm 136 is a litany of gratitude, each line extolling divine acts of deliverance and steadfast love. The inclusion of such a severe judgment raises questions of God’s mercy and how it reconciles with the striking down of seemingly innocent children.

Below are multiple dimensions that shed light on this event, illustrating the harmony of divine mercy and justice.


Historical and Literary Setting

Psalm 136, sometimes called the “Great Hallel,” recounts key moments in Israel’s history—Creation, the exodus from Egypt, the conquest of Canaan—and proclaims God’s enduring covenant love in each circumstance. The exodus itself is detailed in the book of Exodus (chapters 1–15) and is central to understanding why this plague occurred.

• Egypt’s oppression of the Israelites (Exodus 1:8–14) included forced labor and the state-sanctioned killing of Hebrew infants (Exodus 1:22).

• God gave Pharaoh and the Egyptians multiple warnings through Moses and prior plagues (Exodus 7–10). Each warning was met with Pharaoh’s resistance.

Viewed in the literary context, the death of the firstborn was neither a spontaneous nor arbitrary event. It concludes a series of escalating judgments aimed at liberating an enslaved people.


God’s Sovereignty and the Giver of Life

A foundational point in Scripture is that God is the Author of life (Genesis 1:27). All people, regardless of age, live by God’s sustaining power and belong to Him. Because God is sovereign, He has authority over life and death (Deuteronomy 32:39). Though it is disturbing from a human vantage point, the Giver of life has the prerogative to determine its end.

Scientifically and philosophically, many have argued for the existence of an eternal God as the necessary First Cause, pointing to the complexity of design in nature and the laws of the universe. Historically, varying manuscripts and archaeological findings (such as ancient inscriptions referencing populations with Semitic origins in Egypt) lend credence to the biblical narrative of an enslaved Hebrew people. This historical backdrop frames God as not merely reacting to a moment in isolation but carrying forth a broader plan.


The Nature of Justice and Warnings

Scriptural accounts emphasize that Pharaoh’s heart was hardened (Exodus 8:15; 8:32; 9:34). Even after witnessing multiple miracles—water becoming blood, infestations of frogs, gnats, flies, livestock disease, boils, hail, locusts, and darkness—he refused to release the Israelites. Each plague revealed divine authority, giving Pharaoh ample time to yield. God’s pattern of offering warnings and opportunities to repent showcases not cruelty but long-suffering patience (2 Peter 3:9).

The plagues were a direct confrontation with both Egyptian idolatry and injustice. Archaeological and textual data (such as the Ipuwer Papyrus, though debated in details, containing references to calamities in Egypt) reflect a historical memory of catastrophic events. In ancient cultures, firstborn sons often symbolized the family’s legacy and future. Hence, striking the firstborn was a decisive sign that the God of Israel reigned supreme, even over Egyptian deities and the throne itself.


Collective Responsibility and Corporate Identity

In many ancient Near Eastern cultures, including Egypt and Israel, there was a corporate understanding of identity: the decisions of the king or leader impacted the entire population. Pharaoh’s unrelenting stance brought judgment on the nation he represented. This concept of corporate solidarity appears throughout the Scriptures (e.g., Joshua 7:1, where Achan’s sin affected Israel’s standing).

Although modern readers may question the fairness of innocent children bearing the consequences of national sins, the biblical narrative emphasizes a deeper truth about collective accountability. Exodus 4:22–23 recounts God referring to Israel as “My firstborn son,” underscoring that Egypt had enslaved and afflicted God’s own “child.” Pharaoh refused repeated calls to free them.


Divine Mercy and Eternal Perspective

From a broader scriptural standpoint, God’s justice coexists with His mercy (Psalm 89:14). While the immediate act appears harsh, Scripture consistently testifies that eternal realities surpass earthly dimensions. God, who created all life, is not confined to the finite boundaries of the present world. Suffering, death, and eternity are seen in a more comprehensive sphere in which ultimate justice, mercy, and redemption unfold (Romans 8:18–21).

Furthermore, passages such as 2 Samuel 12:22–23 present the belief that children who die may rest in God’s care, indicating a hope of comfort and eternal matters known to the Creator alone.


Redemptive Purposes

The exodus had redemptive ramifications not only for the Israelites but also for the world, paving the way for the law, covenant, and eventual fulfillment in the Messiah (Exodus 19:4–6; Galatians 4:4–5). In each judgment, a larger providential design is evident, culminating in hope for future generations. Throughout the Psalms, including Psalm 136, the narrative is framed as a cause to praise God for His faithful love rather than fixate on cruelty.


Comparative Perspectives and Theological Implications

Outside the biblical record, various ancient documents describe a plethora of harsh events, calamities, and divine judgments. The biblical model, however, stands unique in its portrayal of an all-powerful and consistently righteous God who acts with purpose, revealing both wrath and redemption. Studies in theological philosophy often note how justice, holiness, and love must coexist for a consistent moral framework.

In a behavioral sense, repeated warnings followed by consequence highlight a key principle in moral agency: actions have repercussions. The freedom of Pharaoh—and by extension Egypt—did not operate independently of moral accountability. Each ignored call to release the Hebrews reaffirmed rebellion against the Creator.


Applications and Reflection

For the believer, these passages encourage trust in a God whose love endures forever (Psalm 136:1). For those who question the morality of the final plague, it is an invitation to examine the greater biblical story wherein God’s ultimate goal is deliverance and reconciliation. The same God who judged Egypt provided a way of salvation through the Passover lamb (Exodus 12:1–28), a foreshadowing of the ultimate sacrifice (John 1:29).

• God’s judgments serve His redemptive plan.

• From an eternal perspective, He holds life and eternity in His hands.

• Mercy and justice are not mutually exclusive but intersect perfectly in divine wisdom.


Conclusion

Psalm 136:10 lauds God’s act of striking down Egypt’s firstborn, an event that, on the surface, challenges modern notions of mercy. However, when understood in its historical, theological, and broader biblical context, the account showcases a consistent narrative of divine patience, warnings, sovereignty, and redemptive purpose. Amid human suffering and questions, Scripture affirms that God’s loving devotion endures forever.

How does Psalm 136 align with science?
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