Proverbs 4:4-5
he taught me and said, “Let your heart lay hold of my words; keep my commands and you will live. / Get wisdom, get understanding; do not forget my words or turn from them.

Proverbs 6:20-23
My son, keep your father’s commandment, and do not forsake your mother’s teaching. / Bind them always upon your heart; tie them around your neck. / When you walk, they will guide you; when you lie down, they will watch over you; when you awake, they will speak to you. ...

Proverbs 7:1-3
My son, keep my words and treasure my commandments within you. / Keep my commandments and live; guard my teachings as the apple of your eye. / Tie them to your fingers; write them on the tablet of your heart.

Proverbs 10:8
A wise heart will receive commandments, but foolish lips will come to ruin.

Proverbs 22:17-18
Incline your ear and hear the words of the wise—apply your mind to my knowledge— / for it is pleasing when you keep them within you and they are constantly on your lips.

Isaiah 51:7
Listen to Me, you who know what is right, you people with My law in your hearts: Do not fear the scorn of men; do not be broken by their insults.

Deuteronomy 6:6-9
These words I am commanding you today are to be upon your hearts. / And you shall teach them diligently to your children and speak of them when you sit at home and when you walk along the road, when you lie down and when you get up. / Tie them as reminders on your hands and bind them on your foreheads. ...

Joshua 1:8
This Book of the Law must not depart from your mouth; meditate on it day and night, so that you may be careful to do everything written in it. For then you will prosper and succeed in all you do.

Jeremiah 31:33
“But this is the covenant I will make with the house of Israel after those days, declares the LORD. I will put My law in their minds and inscribe it on their hearts. And I will be their God, and they will be My people.

Hebrews 8:10
For this is the covenant I will make with the house of Israel after those days, declares the Lord. I will put My laws in their minds and inscribe them on their hearts. And I will be their God, and they will be My people.

Romans 10:8
But what does it say? “The word is near you; it is in your mouth and in your heart,” that is, the word of faith we are proclaiming:

Colossians 3:16
Let the word of Christ richly dwell within you as you teach and admonish one another with all wisdom, and as you sing psalms, hymns, and spiritual songs with gratitude in your hearts to God.

James 1:21-22
Therefore, get rid of all moral filth and every expression of evil, and humbly accept the word planted in you, which can save your souls. / Be doers of the word, and not hearers only. Otherwise, you are deceiving yourselves.

Matthew 12:34-35
You brood of vipers, how can you who are evil say anything good? For out of the overflow of the heart the mouth speaks. / The good man brings good things out of his good store of treasure, and the evil man brings evil things out of his evil store of treasure.

Luke 6:45
The good man brings good things out of the good treasure of his heart, and the evil man brings evil things out of the evil treasure of his heart. For out of the overflow of the heart the mouth speaks.