Proverbs 4:23
With all vigilance, keep your heart, for from it [comes] the source of life.
Proverbs 4:7
The beginning of wisdom: Get wisdom! With all [that is in] your possession, gain insight.
Matthew 12:34-35
Offspring of vipers! How are you able to say good things [when you] are evil? For from the abundance of the heart the mouth speaks.
Luke 6:45
The good person out of the good treasury of his heart brings forth good, and the evil person out of [his] evil [treasury] brings forth evil. For out of the abundance of the heart his mouth speaks.
Jeremiah 17:9
The heart [is] deceitful more than anything else, and it [is] disastrous. Who can understand it?
Matthew 15:19
For from the heart come evil plans, murder, adultery, sexual immorality, theft, false witness, abusive speech.
Deuteronomy 4:9
"However, {take care} for yourself and watch your inner self closely, so that you do not forget the things that your eyes have seen, so that they do not slip from your mind all the days of your life; and you shall make them known to your children and to {your grandchildren}.
Psalm 139:23-24
Search me, O God, and know my heart; test me and know my anxious thoughts.
Proverbs 3:21
My child, may they not escape from your {sight}; may you keep sound wisdom and prudence.
Proverbs 11:16
A woman of grace receives honor, but the ruthless gets wealth.
Proverbs 13:3
He who keeps his mouth guards his life; he who opens his lips, ruin [belongs] to him.
Proverbs 22:5
Thorns [and] snares [are] in the way of the perverse; he who guards himself will keep away from them.
Proverbs 23:19
You, my child, hear and be wise, and direct your heart on the road
Proverbs 28:26
He who trusts in his own heart is a fool, but he who walks in wisdom will be saved.
Ecclesiastes 5:13
There is a grievous evil which I have seen under the sun: wealth {hoarded} by its owner to his harm.
Mark 7:21-23
For from within, from the heart of people, come evil plans, sexual immoralities, thefts, murders,
Mark 14:38
Stay awake and pray that you will not enter into temptation. The spirit [is] willing, but the flesh [is] weak!"
Hebrews 12:15
Take care [that] no one falls short of the grace of God; [that] no one growing up [like] a root of bitterness causes trouble, and by it many become defiled;
James 1:14-15
But each one is tempted [when he] is dragged away and enticed by his own desires.