Commentaries:
Jamieson, Fausset, and Brown
God turns from addressing Messiah to the people.
Lord—JEHOVAH: God's distinguishing and incommunicable name, indicating essential being and immutable faithfulness (compare Exodus 6:3; Psalms 83:18; Psalms 96:5; Hosea 12:5).
my—that is due to Me, and to Me alone.
Other Jamieson, Fausset, and Brown entries containing Isaiah 42:8:
Isaiah 41:29
Isaiah 45:5
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