Exodus 4:9
It will happen, if they will not believe even these two signs, neither listen to your voice, that you shall take of the water of the river, and pour it on the dry land. The water which you take out of the river will become blood on the dry land."
Exodus 1:22
Pharaoh commanded all his people, saying, "You shall cast every son who is born into the river, and every daughter you shall save alive."
Exodus 7:19-25
Yahweh said to Moses, "Tell Aaron, 'Take your rod, and stretch out your hand over the waters of Egypt, over their rivers, over their streams, and over their pools, and over all their ponds of water, that they may become blood; and there shall be blood throughout all the land of Egypt, both in vessels of wood and in vessels of stone.'"
Matthew 7:2
For with whatever judgment you judge, you will be judged; and with whatever measure you measure, it will be measured to you.