Matthew 23:26
You blind Pharisees! First wash the inside of the cup and dish, so [then] the outside will be clean also.
Matthew 12:33
Either be a healthy tree and produce wholesome fruit, or be a diseased tree and produce rotten fruit, for [the quality of] a tree will be recognized by [the quality of] its fruit.
Luke 6:45
The good person produces good things from the goodness stored up in his heart. And the evil person produces bad things from the evil [stored up in his heart]. For his mouth speaks what his heart is filled with.
2 Corinthians 7:1
[So], since we have these promises [See 6:16-18], dear ones, we should purify ourselves from everything that pollutes [our] body and spirit while living lives completely separated [from sin], out of reverence for God.
Hebrews 10:22
we should draw close [to God] with a sincere heart and a fully assured faith, having had our hearts sprinkled from a guilty conscience [See 9:13-14] and having had our bodies washed with clean water [i.e., in our immersion].
James 4:8
Come close to God and He will come close to you. Wash your hands, you sinful people [i.e., this is an exhortation to repent of moral and spiritual corruption], and purify your hearts, you double-minded people.