John Dummelow's Commentary on the Bible - Psalms 34:1-22
The reliability of this title (A Psalm of David; when he feigned madness (RM) before Abimelech, who drove him away, and he departed) is doubtful, both because the Philistine king in question is called Achish and not Abimelech in 1 Samuel 21:13, and because the contents of the Ps. are akin to the proverbial wisdom of a later age than David’s. The Ps. is an alphabetic or acrostic one, with some of the same irregularities which are found in Psalms 25. Psalms 34:10-16 are quoted in 1 Peter... read more
Expository Notes of Dr. Thomas Constable - Psalms 34:12-14
God had promised long life to the godly in Israel as a reward for righteous behavior (cf. Exodus 20:12; Deuteronomy 5:33). Therefore the psalmist urged truthful speech, good deeds, and peaceful conduct. read more