Psalm 32:8 (BSB)

I will instruct you and teach you the way you should go; I will give you counsel and watch over you.

From Psalms 32. Also in the ESV.

Commentary on Psalm 32:8

• John Calvin (Reformed), Calvin's Commentaries on Psalm 32:1-11: PSALM 32. David having largely and painfully experienced what a miserable thing it is to feel God’s hand heavy on account of sin, exclaims that the highest and best part of a happy life consists in this, that God forgives a man’s guilt, and receives him graciously into his favor.
• C.H. Spurgeon (Reformed Baptist), The Treasury of David on Psalm 32:8: I will instruct thee and teach thee in the way which thou shalt go. Here the Lord is the speaker, and gives the psalmist an answer to his prayer. Our Saviour is our instructor. The Lord himself deigns to teach his children to walk in the way of integrity, his holy word and the monitions of the Holy Spirit are the directors of the believer's daily conversation.
• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Psalm 32:7-11: David is here improving the experience he had had of the comfort of pardoning mercy. I. He speaks to God, and professes his confidence in him and expectation from him, Psa 32:7. Having tasted the sweetness of divine grace to a penitent sinner, he cannot doubt of the continuance of that grace to a praying saint, and that in that grace he should find both safety and joy. 1.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Psalm 32:8: I will instruct thee,.... Or "cause thee to understand" (q). These are by many thought to be the words of the Lord, who gives to a man an understanding of spiritual things; he instructs by his providence, and even by afflictive dispensations of providence; and by his word, which is written for the learning of men, and is profitable for doctrine and instruction in righteousness...