Psalms 78:44

Overview - Psalms 78
An exhortation both to learn and to preach, the law of God.
The story of God's wrath against the incredulous and disobedient.
67 The Israelites being rejected, God chose Judah, Zion, and David.
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Psalms 78:44  (King James Version)
And had turned their rivers into blood; and their floods, that they could not drink.

105:29 Exodus 7:17-21 ; Revelation 16:3-6
The miracles mentioned in this and the four subsequent verses, evidently shew the power of God over the elements of nature, which at that time were the objects of Egyptian worship.