In Job 18:14-16, the wicked's dwelling is destroyed — Job 18:21 summarizes this as the place of those who know not God.

In Job 21:14, the wicked say 'Depart from us, we do not desire knowledge of your ways' — directly echoing the 'knows not God' of Job 18:21.

In Job 20:29, Zophar echoes Bildad's theme: the wicked's portion from God is destruction — reinforcing the same fate for those who don't know God.

In Exodus 5:2, Pharaoh says 'I do not know the LORD' — a classic example of the wicked who know not God in Job 18:21.

In Judges 2:10, a generation arose who did not know the LORD — identical phrase to the wicked's description in Job 18:21.

In 1 Samuel 2:12, Eli's sons are 'worthless men who did not know the LORD' — directly parallel to the 'knows not God' here.

In 1 Chronicles 28:9, David exhorts Solomon to 'know the God of your father' — the opposite of the ignorance that marks the wicked here.

In Psalm 79:6, the psalmist asks God to pour out anger on nations that 'do not know you' — same category of the unrighteous facing judgment.

In Jeremiah 9:3, God says of Israel 'they do not know me' — identical phrase describing those who proceed from evil to evil.

In Jeremiah 10:25, the plea for wrath on nations that 'know you not' echoes the same fate for those ignorant of God.

In Romans 1:28, Paul says they 'did not see fit to acknowledge God' — parallel to 'knows not God' with resulting judgment.

In 1 Thessalonians 4:5, Paul warns against lust like Gentiles 'who do not know God' — direct parallel to the unrighteous here.

In 2 Thessalonians 1:8, Jesus inflicts vengeance on those 'who do not know God' — same phrase and judgment theme.

In Titus 1:16, people 'profess to know God but deny him by works' — they are effectively among those who do not know God.

Proverbs 14:11 contrasts the wicked's destroyed house with the upright's flourishing tent — a wisdom parallel to Bildad's description of the wicked's dwelling.