Deuteronomy 29:18
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The startling image of a "root bearing poisonous and bitter fruit" isn't just about outward actions, but about the hidden, internal source of sin that can silently spread and corrupt the entire community. This highlights how a single person's heart turning away from God can have devastating, far-reaching consequences for everyone.
Beware lest there be among you a man or woman or clan or tribe whose heart is turning away today from the LORD our God to go and serve the gods of those nations. Beware lest there be among you a root bearing poisonous and bitter fruit,
English Standard Version (ESV)
Moses is addressing the entire nation of Israel, gathered to renew their covenant with God before entering the Promised Land. He has reminded them of God's faithfulness and the covenant made with their ancestors, but he also lays out the severe consequences of disobedience and idolatry. This verse serves as a stark warning that even one person, family, or tribe turning away from God to worship other gods will bring ruin upon the whole community, symbolized by a poisonous, bitter root.
God's covenant demands a whole heart. What happens when even a single heart begins to turn away?
Moses is issuing a stark warning. The covenant community, standing together before God, is vulnerable to the subtle, internal pull of idolatry. It's not just about outward actions; it's about the heart's allegiance.
The Whole Heart
God's relationship with Israel was built on a covenant that required their complete devotion. He had brought them out of Egypt and established them as His people. This was not a conditional offer; it was a deep, relational commitment.
The Subtle Turn
But Moses warns against even one person—man, woman, family, or tribe—whose 'heart is turning away.' This 'turning away' is not necessarily a dramatic, public renunciation. It can be a gradual, internal shift, a quiet drifting from the Lord towards other 'gods.' These 'gods' could be literal idols, but also anything that captures the heart's ultimate loyalty and worship instead of the LORD.
Collective Responsibility
Even though it starts with an individual's heart, the warning extends to the whole community. The 'family' and 'tribe' indicate how easily sin can spread and affect the entire group. The danger is that one person's or one group's turning away could ultimately lead to the downfall of the entire nation.
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What does it mean for a hidden problem to grow and poison everything it touches?
The imagery of a 'root bearing poisonous and bitter fruit' is incredibly powerful. It speaks to the hidden, insidious nature of apostasy and its devastating consequences.
The Hidden Source
The 'root' represents something hidden, unseen beneath the surface, yet it is the source of all that grows from it. In this context, it signifies not just outward sin but the internal corruption—the 'evil heart of unbelief' that begins to fester.
Poisonous and Bitter Fruit
This hidden root produces 'gall and wormwood.' These were known for their extreme bitterness and toxicity. They represent the destructive and defiling effects that stem from a heart turned away from God. This isn't just personal suffering; it corrupts relationships, community, and the land itself, bringing God's judgment.
Spreading Contamination
The danger of a 'root' is that it spreads. If left unchecked, this bitterness and poison can contaminate others, just as the author of Hebrews warns about a 'root of bitterness' defiling many (Hebrews 12:15). The warning is clear: a hidden sin or a heart turned away will inevitably produce destructive outcomes that impact more than just the individual.
Understand the original words
lebab · Hebrew Noun
The center of human personality, encompassing the will, intellect, and emotions. In this context, it represents the seat of moral decision-making and loyalty, which can be hardened against God or surrendered to Him.
YHWH · Hebrew Noun
The personal, covenant-keeping name of God in the Old Testament, representing His majesty, holiness, and faithful love toward His people.
This warning comes at a pivotal moment as Israel stands on the brink of entering the Promised Land. Moses is emphasizing that their continued prosperity and relationship with God depend entirely on their faithfulness, reminding them of the consequences seen in the nations around them and the past deliverance from Egypt.
c. 1400 BC
The Exodus from Egypt
God miraculously delivered the Israelites from centuries of slavery in Egypt, demonstrating His power and faithfulness.
c. 1400 BC - 1350 BC
Conquest of Canaan
After wandering in the wilderness, the Israelites entered and began conquering the Promised Land, encountering various nations and their diverse religious practices.
c. 1000 BC
Establishment of the Monarchy
The Israelites transitioned from a tribal confederacy to a unified kingdom under Saul, David, and Solomon, with Jerusalem becoming the religious and political center.
975 BC
Division of the Kingdom
Following Solomon's death, the united kingdom split into two: the Northern Kingdom of Israel and the Southern Kingdom of Judah.
c. 722 BC
Fall of the Northern Kingdom
The Assyrian Empire conquered and deported the ten tribes of the Northern Kingdom of Israel, scattering them and ending their national existence.
586 BC
Fall of Jerusalem and Babylonian Exile
The Neo-Babylonian Empire destroyed Jerusalem and its Temple, exiling most of Judah's population, a profound national catastrophe.
c. 1400 BC— this verse
Moses Delivers Deuteronomy
On the plains of Moab, shortly before entering the Promised Land, Moses reiterates God's law and covenant, warning against future apostasy.
This passage directly alludes to the 'root of bitterness' imagery in Deuteronomy, warning believers to watch out for 'any root of bitterness' that springs up and defiles many.
Jeremiah 22:8-9This prophetic passage describes future generations asking why Jerusalem was destroyed, and the answer given mirrors Deuteronomy's explanation: forsaking God's covenant and serving other gods.
1 Kings 9:8-9This passage describes a similar prophetic judgment on Jerusalem for forsaking God and serving other gods, echoing the curse described in Deuteronomy for covenant unfaithfulness.
Hosea 10:4This verse uses the imagery of 'hemlock' (a bitter plant often translated similarly to 'gall' in Deuteronomy) to describe the bitter fruit of empty oaths and false worship, paralleling the consequences of idolatry.
Amos 6:12This verse uses both 'gall' and 'wormwood' to describe the bitter consequences of injustice and complacency, drawing a parallel to the poisonous and bitter fruit of turning away from God in Deuteronomy.
calvinDeuteronomy 29:10-28: "Ye stand this day all of you before the LORD your God; your captains of your tribes, your elders, and your officers, with all the men of Israel,"
That he may establish thee today for a people unto himself, and that he may be unto thee a God, as he hath said unto thee, and as he hath sworn unto thy fathers, to Abraham, to Isaac, and to Jacob.
Ut statuat te hodie sibi in populum, et ipse sit tibi in Deum, quemadmodum loquutus est tibi, et quemadmodum juravit patrib…
cambridgeDeuteronomy 29:18: "Lest there should be among you man, or woman, or family, or tribe, whose heart turneth away this day from the LORD our God, to go and serve the gods of these nations; lest there should be among you a root that beareth gall and wormwood;"
18 . lest there should be ] Perhaps better, may there not be!this day ] Not in LXX and here out of place. to go to serve ] Deuteronomy 13:6 ; Deuteronomy 13:13 (7, 14), Deuteronomy 17:3 . a root that beareth ] Only here. gall ] Heb. rôsh , l…
The startling image of a "root bearing poisonous and bitter fruit" isn't just about outward actions, but about the hidden, internal source of sin that can silently spread and corrupt the entire community. This highlights how a single person's heart turning away from God can have devastating, far-reaching consequences for everyone.
Moses is addressing the entire nation of Israel, gathered to renew their covenant with God before entering the Promised Land. He has reminded them of God's faithfulness and the covenant made with their ancestors, but he also lays out the severe consequences of disobedience and idolatry. This verse serves as a stark warning that even one person, family, or tribe turning away from God to worship other gods will bring ruin upon the whole community, symbolized by a poisonous, bitter root.
Moses is addressing the entire nation of Israel, gathered to renew their covenant with God before entering the Promised Land. He has reminded them of God's faithfulness and the covenant made with their ancestors, but he also lays out the severe consequences of disobedience and idolatry. This verse serves as a stark warning that even one person, family, or tribe turning away from God to worship other gods will bring ruin upon the whole community, symbolized by a poisonous, bitter root.
"Beware lest there be among you a man or woman or clan or tribe whose heart is turning away today from the LORD our God to go and serve the gods of those nations. Beware lest there be among you a root bearing poisonous and bitter fruit," — The startling image of a "root bearing poisonous and bitter fruit" isn't just about outward actions, but about the hidden, internal source of sin that can silently spread and corrupt the entire commu…
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Last reviewed October 2026
