Exodus 7:20

²⁰ And Moses and Aaron did so, as the LORD commanded; and he lifted up the rod and smote the waters that were in the river, in the sight of Pharaoh, and in the sight of his servants; and all the waters that were in the river were turned into blood.

Rameses, land of

'The land of Rameses,' as in Genesis 47:11, signifies the inmost of the spiritual principle in the natural mind.