Matthew 15:8
This people draweth nigh to me with their mouths, and honoureth me with the lips, but their heart is far distant from me.
John 1:47
Jesus saw Nathaniel coming to him, and saith of him, Behold an Israelite in reality, in whom there is no guile!
Acts 8:21
There is for thee neither part nor lot in this word: for thy heart is not right before God.
Hebrews 3:12
Take heed, brethren, that there be not in any one of you a wicked heart of infidelity, [evident] in departure from the living God:
1 Peter 3:10
"For he that would love life, and see good days, let him restrain his tongue from evil, and his lips from speaking guile.