21 When the LORD heard them, he was furious; his fire broke out against Jacob, and his wrath rose against Israel,

Read Psalm 78:21 Using Other Translations

Therefore the LORD heard this, and was wroth: so a fire was kindled against Jacob, and anger also came up against Israel;
Therefore, when the LORD heard, he was full of wrath; a fire was kindled against Jacob; his anger rose against Israel,
When the LORD heard them, he was furious. The fire of his wrath burned against Jacob. Yes, his anger rose against Israel,