Matthew 15:8

Wherefore the Lord said, Forasmuch as this people draw near me with their mouth, and with their lips do honour me, but have removed their heart far from me, and their fear toward me is taught by the precept of men:

Thou hast neither part nor lot in this matter: for thy heart is not right in the sight of God.

And they come unto thee as the people cometh, and they sit before thee as my people, and they hear thy words, but they will not do them: for with their mouth they shew much love, but their heart goeth after their covetousness. as the...: Heb. according to the coming of the people they sit...: or, my people sit before thee they shew...: Heb. they make loves, or, jests

Thou hast planted them, yea, they have taken root: they grow, yea, they bring forth fruit: thou art near in their mouth, and far from their reins. they grow: Heb. they go on

My son, give me thine heart, and let thine eyes observe my ways.

For he that will love life, and see good days, let him refrain his tongue from evil, and his lips that they speak no guile:

Jesus saw Nathanael coming to him, and saith of him, Behold an Israelite indeed, in whom is no guile!

Take heed, brethren, lest there be in any of you an evil heart of unbelief, in departing from the living God.