Deuteronomy 29:18
Beware that the heart of no man, woman, clan, or tribe among you turns away from the Lord our God today to pursue and serve the gods of those nations; beware that there is among you no root producing poisonous and bitter fruit.
Hebrews 12:15
See to it that no one comes short of the grace of God, that no one be like a bitter root springing up and causing trouble, and through him many become defiled.
Deuteronomy 11:16-17
Make sure you do not turn away to serve and worship other gods!
Deuteronomy 13:1-15
Suppose a prophet or one who foretells by dreams should appear among you and show you a sign or wonder,
Deuteronomy 17:2-7
Suppose a man or woman is discovered among you -- in one of your villages that the Lord your God is giving you -- who sins before the Lord your God and breaks his covenant
Jeremiah 9:15
So then, listen to what I, the Lord God of Israel who rules over all, say. 'I will make these people eat the bitter food of suffering and drink the poison water of judgment.
Hosea 10:4
They utter empty words, taking false oaths and making empty agreements. Therefore legal disputes sprout up like poisonous weeds in the furrows of a plowed field.
Amos 6:12
Can horses run on rocky cliffs? Can one plow the sea with oxen? Yet you have turned justice into a poisonous plant, and the fruit of righteous actions into a bitter plant.
Acts 8:23
For I see that you are bitterly envious and in bondage to sin."
Hebrews 3:12
See to it, brothers and sisters, that none of you has an evil, unbelieving heart that forsakes the living God.