James 4:7-8: "Therefore submit to God. Resist the devil and he will flee from you. Draw near to God and He will draw near to you. Cleanse your hands, you sinners; and purify your hearts you double-minded."
Psalm 51:10: "Create in me a clean heart, O God, and renew a steadfast spirit within me."
Matthew 5:8: "Blessed are the pure in heart, for they shall see God.'