Proverbs 26:25
When he makes his voice gracious, do not believe him, for seven abominations [are] in his heart.
Psalm 28:3
Do not drag me away with [the] wicked or with [the] workers of evil, [who] speak of peace with their neighbors, while evil [is] in their heart.
Psalm 12:2
They speak falseness {to each other}. [With] flattering lips, [with] {a double heart} they speak.
Proverbs 6:16-19
There are six [things] Yahweh hates, and seven [things are] abominations of his soul:
Jeremiah 9:2-8
{Oh that I had} in the desert a place of overnight lodging for travelers, that I may leave my people and go from them, for all of them [are] adulterers, a band of traitors.
Jeremiah 12:6
For even your relatives, and the house of your father, even they have dealt treacherously with you, even they call {loudly} after you. You must not trust in them, though they speak kindly to you.
Micah 7:5
Do not put faith in a friend; put no trust in a close friend. Guard the doorways of your mouth from the one who lies in your lap.
Matthew 24:23
"At that time if anyone should say to you, 'Behold, here [is] the Christ,' or 'Here [he is],' do not believe [him]!