O how

Psalm 119:48, 113, 127, 159, 165, 167
I lift up my hands to Your commandments, which I love, and I meditate on Your statutes. . . .

Psalm 1:2
But his delight is in the law of the LORD, and on His law he meditates day and night.

Deuteronomy 6:6-9
These words I am commanding you today are to be upon your hearts. . . .

Deuteronomy 17:19
It is to remain with him, and he is to read from it all the days of his life, so that he may learn to fear the LORD his God by carefully observing all the words of this instruction and these statutes.

Joshua 1:8
This book of the Law must not depart from your mouth; you are to recite it day and night, so that you may carefully observe everything written in it. For then you will prosper and succeed in all you do.

Proverbs 2:10
For wisdom will enter your heart, and knowledge will delight your soul.

Proverbs 18:1
He who isolates himself pursues selfish desires; he rebels against all sound judgment.