Matthew 15:8
saying, This people approach me with their mouth, and honour me with their lips, but their heart is far from me:
John 1:47
And when Jesus saw Nathaniel coming towards Him, He saith concerning him, "Behold an Israelite indeed, in whom is no guile."
Acts 8:21
Thou hast no part nor lot in this matter: for thy heart is not right in the sight of God.
Hebrews 3:12
Take heed, my brethren, least there be in any of you a wicked heart of unbelief in departing from the living God:
1 Peter 3:10
"For he that would desire life, and see good days, let him refrain his tongue from evil, and his lips that they speak no guile;