Commentaries:
Barnes' Notes
Know thou the God of thy father - " Knowing God," in the sense of having a religious trust in Him, is an unusual phrase in the earlier Scriptures. It scarcely occurs elsewhere in the historical books. David, however, uses the phrase in his Psalms Psalms 36:10; and its occurrence here may be accepted as evidence that the entire speech is recorded in the actual words of the monarch.
Other Barnes' Notes entries containing 1 Chronicles 28:9:
Psalms 44:21
Proverbs 4:4-20
Matthew 6:34
Matthew 9:4
Acts 1:24
Acts 5:3
Romans 10:20
1 Corinthians 2:10
1 Thessalonians 2:4
Revelation 2:23
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