Exodus 4:9 "But if they will not believe even these two signs or heed what you say, then you shall take some water from the Nile and pour it on the dry ground; and the water which you take from the Nile will become blood on the dry ground."

Exodus 5:2 But Pharaoh said, "Who is the LORD that I should obey His voice to let Israel go? I do not know the LORD, and besides, I will not let Israel go."

Exodus 7:5 "The Egyptians shall know that I am the LORD, when I stretch out My hand on Egypt and bring out the sons of Israel from their midst."

Exodus 7:20 So Moses and Aaron did even as the LORD had commanded. And he lifted up the staff and struck the water that was in the Nile, in the sight of Pharaoh and in the sight of his servants, and all the water that was in the Nile was turned to blood.

Exodus 10:2 and that you may tell in the hearing of your son, and of your grandson, how I made a mockery of the Egyptians and how I performed My signs among them, that you may know that I am the LORD."

Psalm 9:16 The LORD has made Himself known; He has executed judgment. In the work of his own hands the wicked is snared. Higgaion Selah.

Ezekiel 25:17 "I will execute great vengeance on them with wrathful rebukes; and they will know that I am the LORD when I lay My vengeance on them."'"

Revelation 11:6 These have the power to shut up the sky, so that rain will not fall during the days of their prophesying; and they have power over the waters to turn them into blood, and to strike the earth with every plague, as often as they desire.

Revelation 16:4 Then the third angel poured out his bowl into the rivers and the springs of waters; and they became blood.

Revelation 16:6 for they poured out the blood of saints and prophets, and You have given them blood to drink. They deserve it." (NASB ©1995)