Exodus 7:17
This is what the LORD says: By this you will know that I am the LORD. Behold, with the staff in my hand I will strike the water of the Nile, and it will turn to blood.
This is what the LORD says:

The declaration comes from the covenant God of Israel, not from Moses or Aaron. The coming judgment carries the certainty of God’s sovereign word and confronts Pharaoh’s refusal to heed His command.

2Sa 12:7 Then Nathan said to David, “You are that man!…
1Ki 20:13 Meanwhile a prophet approached Ahab king of Israel…
Jer 2:2 “Go and proclaim in the hearing of Jerusalem……

By this you will know that I am the LORD.

The plague would reveal the LORD’s power to Pharaoh, Egypt, and Israel. Egypt’s gods could not preserve the river or deliver the land from the Creator who rules over all creation.

Exo 6:7 I will take you as My own people, and I will be your God.…
Exo 14:4 And I will harden Pharaoh’s heart so that he will pursue…
Ezk 6:7 The slain will fall among you, and you will know…

Behold, with the staff in my hand

The staff, entrusted to Moses at the burning bush and exercised through Aaron, served as the visible instrument of God’s authority. God used an ordinary shepherd’s staff to demonstrate that His power, rather than human strength or royal authority, governs events.

Exo 4:17 But take this staff in your hand so you can perform signs…
Exo 17:9 So Moses said to Joshua, “Choose some of our men…
Num 20:8 Take the staff and assemble the congregation.…

I will strike the water of the Nile,

The Nile sustained Egypt’s crops, commerce, and daily life. Its judgment struck at the center of Egyptian security and exposed the helplessness of the gods associated with the river, including Hapi.

Exo 4:9 take some water from the Nile and pour it…
Isa 11:15 The LORD will devote to destruction the gulf…
Ezk 29:3 Speak to him and tell him that this is what the Lord GOD…

and it will turn to blood.

The life-giving river became a source of death, making Egypt’s dependence on the Nile a witness against its rebellion. Blood marks both judgment and life throughout Scripture; Egypt’s waters became blood under judgment, while the blood of the Passover lamb would soon provide protection for God’s people.

Psa 105:29 He turned their waters to blood and caused…
Psa 78:44 He turned their rivers to blood, and from their streams…
Rev 16:4 And the third angel poured out his bowl into the rivers…

Persons / Places / Events
1. The LORD (Yahweh)
The covenant-keeping God of Israel, who demonstrates His power and sovereignty over creation and the gods of Egypt.

2. Moses
The prophet and leader chosen by God to deliver the Israelites from Egyptian bondage. He acts as God's spokesperson to Pharaoh.

3. Pharaoh
The ruler of Egypt, whose heart is hardened against releasing the Israelites, setting the stage for God's miraculous signs.

4. The Nile River
A vital water source for Egypt, symbolizing life and prosperity. Its transformation into blood signifies God's judgment and power over Egyptian deities.

5. The Plague of Blood
The first of ten plagues, serving as a divine sign to Pharaoh and Egypt of God's supreme authority.
Teaching Points
God's Sovereignty
God demonstrates His ultimate authority over nature and false gods. Believers can trust in His power to intervene in their lives.

Judgment and Mercy
The plagues serve as both judgment on Egypt and a call to repentance. God's actions are just, and His mercy is available to those who turn to Him.

Obedience to God's Commands
Moses' obedience in delivering God's message to Pharaoh is a model for believers to faithfully carry out God's instructions, even in the face of opposition.

The Hardness of Heart
Pharaoh's hardened heart serves as a warning against resisting God's will. Believers should remain open and responsive to God's leading.

God's Faithfulness to His Promises
The plagues are part of God's fulfillment of His promise to deliver Israel. Believers can rely on God's faithfulness to His word.
Bible Study Questions
1. How does the transformation of the Nile into blood demonstrate God's power over the Egyptian gods and nature?

2. In what ways can we see God's sovereignty in our own lives, and how should this influence our trust in Him?

3. How does Pharaoh's response to the plague of blood reflect the dangers of a hardened heart, and what steps can we take to ensure our hearts remain open to God?

4. How do the plagues in Exodus foreshadow the judgments described in Revelation, and what does this teach us about God's consistent character?

5. What can we learn from Moses' obedience in delivering God's message, and how can we apply this to our own call to share God's truth with others?
Connections to Other Scriptures
Genesis 1:1-2
The creation account highlights God's sovereignty over all creation, including water, which He now uses to demonstrate His power in Egypt.

Revelation 16:3-4
The plagues in Revelation echo the plagues of Egypt, showing God's continued judgment against sin and rebellion.

Psalm 78:44
This psalm recounts the plagues, emphasizing God's mighty acts in delivering His people and judging their oppressors.
The Great ConflictH.T. Robjohns Exodus 7:1-25
The Lord, He is GodG.A. Goodhart Exodus 7:1-25
Opportunity in Christian ServiceJ. S. Exell, M. A.Exodus 7:14-25
Superstitions Respecting the NileT. S. Millington.Exodus 7:14-25
The First Plague: the Water Turned to BloodD. Young Exodus 7:14-25
The Nile Turned into BloodJ. Orr Exodus 7:14-25
The River Changed into BloodJ. S. Exell, M. A.Exodus 7:14-25
The River Turned into BloodJ. S. Exell, M. A.Exodus 7:14-25
The River Which was Turned into BloodA. McAuslane, D. D.Exodus 7:14-25
The Water Turned into BloodJ. Urquhart Exodus 7:14-25
People
Aaron, Egyptians, Israelites, Moses, Pharaoh
Places
Egypt, Nile River
Topics
Behold, Blood, Changed, Nile, River, Rod, Says, Smite, Smiting, Staff, Strike, Thus, Touch, Waters
Dictionary of Bible Themes
Exodus 7:17

     8135   knowing God, nature of

Exodus 7:8-24

     5593   trial

Exodus 7:14-20

     4512   staff

Exodus 7:14-21

     7318   blood, symbol of guilt

Exodus 7:16-17

     5493   retribution

Exodus 7:17-18

     4843   plague

Exodus 7:17-21

     4260   rivers and streams

Library
The History of the Prophetic Sermons, Epistles, and Apocalypses
[Sidenote: Real character and aims of the prophets] To understand and rightly interpret the prophetic writings of the Old Testament it is necessary to cast aside a false impression as to the character of the prophets which is widely prevalent. They were not foretellers, but forth-tellers. Instead of being vague dreamers, in imagination living far in the distant future, they were most emphatically men of their own times, enlightened and devoted patriots, social and ethical reformers, and spiritual
Charles Foster Kent—The Origin & Permanent Value of the Old Testament

Letter Lxxxv. To Paulinus.
Paulinus had asked Jerome two questions, (1) how can certain passages of scripture (Exod. vii. 13; Rom. ix. 16) be reconciled with Free Will? and (2) Why are the children of believers said to be holy (1 Cor. vii. 14) apart from baptismal grace? For the first of these questions Jerome refers Paulinus to his version (newly made) of Origen's treatise, On First Principles. For the second he quotes the explanation of Tertullian. Written in 400 a.d. 1. Your words urge me to write to you but your eloquence
St. Jerome—The Principal Works of St. Jerome

The Hardening in the Sacred Scripture.
"He hath hardened their heart."-- John xii. 40. The Scripture teaches positively that the hardening and "darkening of their foolish heart" is a divine, intentional act. This is plainly evident from God's charge to Moses concerning the king of Egypt: "Thou shalt speak all that I command thee; and I will harden Pharaoh's heart, and multiply My signs and wonders in the land of Egypt. But Pharaoh shall not harken unto you, and I will lay My hand upon Egypt, and the Egyptians shall know that I am the
Abraham Kuyper—The Work of the Holy Spirit

Sixteenth Sunday after Trinity Paul's Care and Prayer for the Church.
Text: Ephesians 3, 13-21. 13. Wherefore I ask that ye may not faint at my tribulations for you, which are your glory. 14 For this cause I bow my knees unto the Father, 15 from whom every family in heaven and on earth is named, 16 and that he would grant you, according to the riches of his glory, that ye may be strengthened with power through his Spirit in the inward man; 17 that Christ may dwell in your hearts through faith; to the end that ye, being rooted and grounded in love, 18 may be strong
Martin Luther—Epistle Sermons, Vol. III

Exposition of Chap. Iii. (ii. 28-32. )
Ver. 1. "And it shall come to pass, afterwards, I will pour out My Spirit upon all flesh; and your sons and your daughters shall prophesy; your old men shall dream dreams, and your young men shall see visions." The communication of the Spirit of God was the constant prerogative of the Covenant-people. Indeed, the very idea of such a people necessarily requires it. For the Spirit of God is the only inward bond betwixt Him and that which is created; a Covenant-people, therefore, without such an inward
Ernst Wilhelm Hengstenberg—Christology of the Old Testament

Exodus
The book of Exodus--so named in the Greek version from the march of Israel out of Egypt--opens upon a scene of oppression very different from the prosperity and triumph in which Genesis had closed. Israel is being cruelly crushed by the new dynasty which has arisen in Egypt (i.) and the story of the book is the story of her redemption. Ultimately it is Israel's God that is her redeemer, but He operates largely by human means; and the first step is the preparation of a deliverer, Moses, whose parentage,
John Edgar McFadyen—Introduction to the Old Testament

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