2 Samuel 23:2 (BSB)

The Spirit of the LORD spoke through me; His word was on my tongue.

From 2 Samuel 23. Also in the ESV.

Commentary on 2 Samuel 23:2

• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on 2 Samuel 23:2: The Spirit of the Lord spake by me,.... The psalms and songs he composed were not the fruits of his own genius, but were written by him under the inspiration of the Spirit of God; by whom holy men of God, the penmen of the Scriptures, spoke, even as they were moved by the Holy Ghost, of whom David was one, being a prophet; see...
• Geneva Bible Notes (Reformed), Geneva Bible Study Notes on 2 Samuel 23:2: The Spirit of the LORD spake by me, and his word [was] in my tongue. (b) Meaning, he spoke nothing but by the motion of God's Spirit.
• Adam Clarke (Methodist), Clarke's Commentary on the Bible on 2 Samuel 23:2: The Spirit of the Lord spake by me - Hence the matter of his writing came by direct and immediate inspiration. His word was in my tongue - Hence the words of this writing were as directly inspired as the matter.
• Keil & Delitzsch (Lutheran), Biblical Commentary on the Old Testament on 2 Samuel 23:1-2: 2Sa 23:1-2 1 Divine saying of David the son of Jesse, Divine saying of the man, the highly exalted, Of the anointed of the God of Jacob, And of the lovely one in the songs of praise of Israel. 2 The Spirit of Jehovah speaks through me, And His word is upon my tongue.