Matt.23.27  "Woe to you, scribes and Pharisees, hypocrites! for you are like whitewashed tombs, which outwardly appear beautiful, but within they are full of dead men's bones and all uncleanness.
Matt.23.28  So you also outwardly appear righteous to men, but within you are full of hypocrisy and iniquity.
Rom.2.28  For he is not a real Jew who is one outwardly, nor is true circumcision something external and physical.

Hyper-concordance v1.1, by Sean Boisen. Scripture verses taken from the Revised Standard Version, copyright 1952, 1971.