Blessed are the pure in heart, for they will see God. Above all else, guard your heart, for it is the wellspring of life. … Listen, my son, and be wise, and keep your heart on the right path. … One who loves a pure heart and whose speech is gracious will have the king for his friend.

The heart is deceitful above all things and beyond cure. Who can understand it? I the LORD search the heart and examine the mind, to reward each person according to their conduct, according to what their deeds deserve.

What comes out of a person is what defiles them. For it is from within, out of a person’s heart, that evil thoughts come—sexual immorality, theft, murder, adultery, greed, malice, deceit, lewdness, envy, slander, arrogance and folly. … Repent! Turn away from all your offenses; then sin will not be your downfall. Rid yourselves of all the offenses you have committed, and get a new heart and a new spirit.

Create in me a pure heart, O God, and renew a steadfast spirit within me. … I will give you a new heart and put a new spirit in you; I will remove from you your heart of stone and give you a heart of flesh. And I will put my Spirit in you and move you to follow my decrees and be careful to keep my laws.

Let love and faithfulness never leave you; bind them around your neck, write them on the tablet of your heart. … Finally, brothers and sisters, whatever is true, whatever is noble, whatever is right, whatever is pure, whatever is lovely, whatever is admirable—if anything is excellent or praiseworthy—think about such things. Whatever you have learned or received or heard from me, or seen in me—put it into practice. And the God of peace will be with you.

Mt 5:8; Pr 4:23, Pr 23:19, Pr 22:11; Je 17:9-10; Mr 7:20-22, Ez 18:30-31; Ps 51:10, Ez 36:26-27; Pr 3:3, Pi 4:8-9

Scriptures taken from the Holy Bible, New International Version®, NIV®
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