Declare his doings among the people. — Literally, among the peoples. The prophet quotes from the hymn which had been sung when the Ark was placed in Zion (1 Chronicles 16:8), and in part from Psalms 105:1.
Related Commentaries of Isaiah 12:4
Isaiah 12:4
4 And in that day shall ye say, Praise the LORD, calla upon his name, declare his doings among the people, make mention that his name is exalted.