Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
LXX2012

Isaiah 44:23

Rejoice, you⌃ heavens; for God has had mercy upon Israel: sound the trumpet, you⌃ foundations of the earth: you⌃ mountains, shout [with] joy, you⌃ hills, and all the trees therein: for God has redeemed Jacob, and Israel shall be glorified.

Read in other translations