Commentaries:
Jamieson, Fausset, and Brown
precept of men—instead of the precepts of God, given by His prophets; also worship external, and by rule, not heartfelt as God requires (John 4:24). Compare Christ's quotation of this verse from the Septuagint.
Other Jamieson, Fausset, and Brown entries containing Isaiah 29:13:
Jeremiah 12:2
Hosea 8:2
Hosea 14:2
Matthew 15:7
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