Proverbs 4:23
Keep your heart with all vigilance, for from it flow the springs of life.
Proverbs 4:7
The beginning of wisdom is this: Get wisdom, and whatever you get, get insight.
Matthew 12:34-35
You brood of vipers! How can you speak good, when you are evil? For out of the abundance of the heart the mouth speaks.
Luke 6:45
The good person out of the good treasure of his heart produces good, and the evil person out of his evil treasure produces evil, for out of the abundance of the heart his mouth speaks.
Jeremiah 17:9
The heart is deceitful above all things, and desperately sick; who can understand it?
Matthew 15:19
For out of the heart come evil thoughts, murder, adultery, sexual immorality, theft, false witness, slander.
Deuteronomy 4:9
"Only take care, and keep your soul diligently, lest you forget the things that your eyes have seen, and lest they depart from your heart all the days of your life. Make them known to your children and your children's children--
Psalm 139:23-24
Search me, O God, and know my heart! Try me and know my thoughts!
Proverbs 3:21
My son, do not lose sight of these-- keep sound wisdom and discretion,
Proverbs 11:16
A gracious woman gets honor, and violent men get riches.
Proverbs 13:3
Whoever guards his mouth preserves his life; he who opens wide his lips comes to ruin.
Proverbs 22:5
Thorns and snares are in the way of the crooked; whoever guards his soul will keep far from them.
Proverbs 23:19
Hear, my son, and be wise, and direct your heart in the way.
Proverbs 28:26
Whoever trusts in his own mind is a fool, but he who walks in wisdom will be delivered.
Ecclesiastes 5:13
There is a grievous evil that I have seen under the sun: riches were kept by their owner to his hurt,
Mark 7:21-23
For from within, out of the heart of man, come evil thoughts, sexual immorality, theft, murder, adultery,
Mark 14:38
Watch and pray that you may not enter into temptation. The spirit indeed is willing, but the flesh is weak."
Hebrews 12:15
See to it that no one fails to obtain the grace of God; that no "root of bitterness" springs up and causes trouble, and by it many become defiled;
James 1:14-15
But each person is tempted when he is lured and enticed by his own desire.