Exodus 4:9
And it shall come to pass, if they will not believe also these two signs, neither hearken unto your voice, that you shall take of the water of the river, and pour it upon the dry land: and the water which you take out of the river shall become blood upon the dry land.
Exodus 1:22
And Pharaoh charged all his people, saying, Every son that is born you shall cast into the river, and every daughter you shall save alive.
Exodus 7:19-25
And the LORD spoke unto Moses, Say unto Aaron, Take your rod, and stretch out your hand upon the waters of Egypt, upon their streams, upon their rivers, and upon their ponds, and upon all their pools of water, that they may become blood; and that there may be blood throughout all the land of Egypt, both in vessels of wood, and in vessels of stone.
Matthew 7:2
For with what judgment you judge, you shall be judged: and with what measure you measure, it shall be measured to you again.