Deuteronomy 29:18
Peradventure there shall be among you man, or woman, or family, or tribe, whose heart turns away today from the LORD our God to go and serve the gods of those Gentiles; peradventure there shall be among you a root that bears poison and wormwood;
Hebrews 12:15
looking diligently that no one deviate from the grace of God, lest any root of bitterness springing up impede you, and thereby many be defiled,
Deuteronomy 11:16-17
Keep yourselves, therefore, that your heart not be deceived and ye turn aside and serve other gods and worship them;
Deuteronomy 13:1-15
When there arises among you a prophet, or a dreamer of dreams, and gives thee a sign or a wonder,
Deuteronomy 17:2-7
If there is found among you, within any of thy gates which the LORD thy God gives thee, man or woman that has wrought wickedness in the sight of the LORD thy God in transgressing his covenant
Jeremiah 9:15
Therefore thus hath the LORD of the hosts the God of Israel said: Behold, I will feed them, even this people, with wormwood and give them water of gall to drink.
Hosea 10:4
They have spoken words, swearing falsely in making a covenant: thus judgment shall spring up as hemlock in the furrows of the field.
Amos 6:12
Shall horses run upon the rocks? will one plow there with oxen? why have ye turned judgment into hemlock, and the fruit of righteousness into wormwood?
Acts 8:23
For I perceive that thou art in the gall of bitterness and in the prison of iniquity.
Hebrews 3:12
Take heed, brethren, lest there be in any of you an evil heart of unfaithfulness, to depart from the living God.