Behold, God is my salvation; I will trust, and not be afraid: for the LORD JEHOVAH is my strength and my song; he also is become my salvation.
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Isaiah 12:1-4
Tyndale Open Study Notes (CC BY-SA 4.0).
12:2 God’s promise to save includes reconciliation (1:18), participation (11:10), cleansing and protection (4:3-6), peace and confidence (32:16-17), and restoration (11:6-9). • Lord God (Hebrew Yah Yahweh): The first word is an abbreviation of the second. • The Lord God is my strength and my song: See Exod 15:2; Ps 118:14.
Other Bible passages linked to this one, most cited first.
The LORD is my strength and song, and he is become my salvation: he is my God, and I will prepare him an habitation; my father’s God, and I will exalt him.
The LORD is my strength and song, and is become my salvation.
The LORD is my light and my salvation; whom shall I fear? the LORD is the strength of my life; of whom shall I be afraid?
And cried with a loud voice, saying, Salvation to our God which sitteth upon the throne, and unto the Lamb.
Thou wilt keep him in perfect peace, whose mind is stayed on thee: because he trusteth in thee. Trust ye in the LORD for ever: for in the LORD JEHOVAH is everlasting strength:
But I will sacrifice unto thee with the voice of thanksgiving; I will pay that that I have vowed. Salvation is of the LORD.
Authorship: the book itself or Christian tradition. Approximate dates, as in Carson and Moo, An Introduction to the New Testament, and Longman and Dillard, An Introduction to the Old Testament.