Matthew 23:26
Blind Pharisee! first clean the inside of the cup, so that the outside may be clean as well.
Matthew 12:33
Either make the tree good and its fruit good, or make the tree rotten and its fruit rotten; for the tree is known by its fruit.
Luke 6:45
The good man produces good from the good stored in his heart, and the evil man evil from his evil: for a man's mouth utters what his heart is full of.
2 Corinthians 7:1
As these great promises are ours, beloved, let us cleanse ourselves from everything that contaminates either flesh or spirit; let us be fully consecrated by reverence for God].
Hebrews 10:22
let us draw near with a true heart, in absolute assurance of faith, our hearts sprinkled clean from a bad conscience, and our bodies washed in 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.