Exodus 8:5

Then said Yahweh unto Moses, Say unto Aaron - Stretch forth thy hand with thy staff, over the streams over the rivers and over the pools, - and bring up the frogs, over the land of Egypt.

Exodus 7:19

And Yahweh said unto Moses, - Say unto Aaron - Take thy staff, and stretch forth thy hand over the waters of Egypt, over their streams over their rivers, and over their pools and over all their collections of water - that they may become blood, - so shall there be blood in all the land of Egypt, both in vessels of wood and in vessels of stone.

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