Psalm 119:11 (BSB)

I have hidden Your word in my heart that I might not sin against You.

From Psalms 119. Also in the ESV.

Commentary on Psalm 119:11

• John Calvin (Reformed), Calvin's Commentaries on Psalm 119:1-176: PSALM 119 As this psalm treats of various matters, it is difficult to give an epitome of its contents. There are, however, two things which the prophet mainly aims at; the exhorting of the children of God to follow godliness and a holy life; and the prescribing of the rule, and pointing out the form of the true worship of God, so that the faithful...
• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Psalm 119:11: Here is, 1. The close application which David made of the word of God to himself: He hid it in his heart, laid it up there, that it might be ready to him whenever he had occasion to use it; he laid it up as that which he valued highly, and had a warm regard for, and which he was afraid of losing and being robbed of.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Psalm 119:11: Blessed art thou, O Lord,.... In himself, in his nature, persons, and perfections; the fountain of all happiness to angels and men, in time and to eternity; to whom all blessing, honour, and glory, are to be given. The psalmist takes this method of praising and ascribing blessing to God, for what he had received from him; particularly for teaching him what he had learned...
• Geneva Bible Notes (Reformed), Geneva Bible Study Notes on Psalm 119:11: Thy word have I hid in mine heart, that I might not sin against thee. (b) If God's word is carved in our hearts, we will be more able to resist the assaults of Satan: and therefore the prophet desires God to instruct him daily more and more in it.