Matthew 23:26
Blind Pharisee! first make clean the inside of the cup and the plate, that the outside of them also may be clean.
Matthew 12:33
Either make the tree good, and its fruit good; or make the tree unsound, and its fruit unsound. For by the fruit the tree is known.
Luke 6:45
The good man, out of the good treasury of his heart, brings forth that which is good; and the evil man, out of the evil treasury of his heart, brings forth that which is evil. For out of the abundance of his heart his mouth speaks.
2 Corinthians 7:1
Therefore, having these promises, beloved, let us cleanse ourselves from every pollution of the flesh and spirit, perfecting holiness in the fear of God.
Hebrews 10:22
let us draw near with a true heart, in full assurance of faith, having; our hearts sprinkled from an evil conscience, and our bodies washed with pure water;
James 4:8
draw near to God, and he will draw near to you. Cleanse your hands, you sinners, and purify your hearts, you double-minded men.