The Mekhilta offers a pointed reading of the phrase "The chariots of Pharaoh" from the Song of the Sea, connecting Pharaoh's destruction at the Red Sea directly to his earlier crimes against the Israelites in Egypt.
The Egyptians had issued a horrifying decree: "Every son that is born, into the Nile shall you throw him" (Exodus 1:22). Pharaoh commanded the drowning of Israelite baby boys in the river. This was not merely cruelty — it was systematic genocide carried out through water. The Nile, Egypt's source of life and prosperity, was turned into an instrument of murder.
God's response came through the same element. "You, likewise," the Mekhilta declares, addressing Pharaoh directly, "He meted it out to you accordingly." The chariots of Pharaoh — the pride of Egypt's military — were swallowed by the sea just as Egypt had swallowed Israel's children in the river. Water for water. Drowning for drowning.
This is the Mekhilta's consistent principle of measure-for-measure justice operating on a national scale. Pharaoh chose water as his weapon of destruction, and water became the instrument of his own destruction. He threw children into the Nile, and God threw his army into the sea. The method of punishment was not chosen arbitrarily. It was an exact mirror of the original crime, scaled up from individual babies to an entire army of chariots. The Mekhilta teaches that divine justice has a memory — and it responds in kind.