Exodus 7:17

My Notes

What Does Exodus 7:17 Mean?

"Thus saith the LORD, In this thou shalt know that I am the LORD: behold, I will smite with the rod that is in mine hand upon the waters which are in the river, and they shall be turned to blood." The first plague is announced with its explicit purpose: in this you'll KNOW that I am the LORD. The plague isn't punishment first. It's revelation first. Pharaoh doesn't know the LORD (5:2: "Who is the LORD? I know not the LORD"). The plagues are the answer to that question: you asked who I am. Here's your answer. The water becomes blood.

The Nile — Egypt's source of life, worshipped as the god Hapi — is the first target. The life-giving river becomes death-dealing blood. The deity Egypt depended on most is the first one God dismantles. The revelation starts where Egypt's false trust is strongest.

Reflection Questions

• 1.How does each plague functioning as 'revelation' (not just punishment) change your understanding of the Exodus?
• 2.What 'Nile' (source of false security) might God need to strike in your life for you to know who he is?
• 3.What does the first plague targeting Egypt's greatest asset teach about where God begins his self-revelation?
• 4.How does 'in this you shall know' model God's method of revealing himself through action rather than just words?

Devotional

In this you'll know that I am the LORD. The plague is a self-introduction. Pharaoh asked: who is the LORD? (5:2). And the answer arrives in the form of blood-red water: this is who I am. The God who turns your river into blood. The God who dismantles your most trusted deity with a single stroke.

In this thou shalt know. The purpose is knowledge — not just punishment. Pharaoh will KNOW. The plagues are God's résumé, submitted to a king who didn't recognize the name. You don't know me? You will. By the time ten plagues have demonstrated my supremacy over every god in your pantheon, my identity will be unmistakable.

I will smite upon the waters. The Nile — Egypt's lifeblood. The river that flooded annually and produced the agricultural surplus that made Egypt the world's breadbasket. The water source that every Egyptian depended on for drinking, farming, bathing, and worship. God's first strike targets the foundation of Egyptian civilization: your water.

They shall be turned to blood. The life-source becomes a death-source. The river that fed Egypt poisons it. The water that sustained an empire becomes undrinkable. The Nile-god Hapi — who was supposed to ensure the river's provision — is exposed as impotent: the river he 'controls' is controlled by someone else.

The rod that is in mine hand. God specifies the instrument: the rod Moses carries — the same rod that will part the Red Sea, that struck the rock for water, that was lifted over the battle with Amalek. The rod that was a shepherd's staff has become the instrument of the world's most powerful signs. And the hand behind the rod is God's: mine hand. Moses holds the physical rod. God wields the actual power.

The first plague establishes the pattern for all ten: God targets a specific element of Egyptian life, dismantles the god associated with it, and declares: in this you'll know I am the LORD. The Nile becomes blood (Hapi defeated). The frogs swarm (Heqet defeated). The livestock die (Apis defeated). The sun goes dark (Ra defeated). The firstborn die (Pharaoh's divine son defeated). Each plague is a chapter in the revelation: here's who I am. And here's who your gods are not.

Pharaoh asked for an introduction. He got ten.

Commentary

Trusted original commentary from respected historical Bible scholars and theologians.

Cross References

Related passages throughout Scripture