Jamieson, Fausset and Brown on Isaiah 1:2

2. The very words of Moses (De 32:1); this implies that the law was the charter and basis of all prophecy (Is 8:20).

Lord--Jehovah; in Hebrew, "the self-existing and promise-fulfilling, unchangeable One." The Jews never pronounced this holy name, but substituted Adonai. The English Version, Lord in capitals, marks the Hebrew "Jehovah," though Lord is rather equivalent to "Adonai" than "Jehovah."

children--(Ex 4:22).

rebelled--as sons (De 21:18) and as subjects, God being king in the theocracy (Is 63:10). "Brought up," literally, "elevated," namely, to peculiar privileges (Jr 2:6-8; Ro 9:4, 5).