John Gill Commentary Psalms 119:36

"Incline my heart unto thy testimonies, And not to covetousness." — Psalms 119:36 (ASV)

Incline my heart unto your testimonies
To read the word of God, to hear it opened and explained, to observe and keep the things contained in it; to which there is a disinclination in men naturally: but the Lord, who fashions the hearts of men, and has them in his hands, can bend and incline them by his efficacious grace to regard these his testimonies; which, as Aben Ezra observes, are more precious than all substance, and so are opposed to what follows:

and not to covetousness ;
not to mammon or money, as the Targum; the love of it, which is the root of all evil, and very pernicious and harmful; in hearing the word it chokes it, and makes it unfruitful, (1 Timothy 6:9 1 Timothy 6:10) (Matthew 13:22) . Not that God inclines the heart to evil, as he does to good; but he may suffer the heart to be inclined, and may leave a man to the natural inclinations of his heart, and to the temptations of Satan, and the snares of the world, which may have great influence upon him; and this is what is here deprecated; see (Psalms 141:4) (Matthew 6:13) .