In Psalm 5:9, the wicked's heart is full of malice and their speech deceitful — a close parallel to the deep, evil thoughts here.

Psalm 92:5 contrasts God's deep thoughts with man's deep evil schemes — a thematic opposite.

Psalm 140:2 describes those who plan evil in their hearts, directly paralleling the schemers here.

Psalm 5:10 prays for the wicked to fall by their own counsels, directly addressing the schemers here.

Psalm 35:11 describes malicious witnesses rising up, similar to the diligent search for injustice in this verse.

Isaiah 29:15 echoes the same theme: wicked people think their evil plans are hidden from God, but He sees all.

Jeremiah 17:9 reveals the deceitful and sick heart, matching the deep inward mind described here.

Jeremiah 17:10 affirms that God searches the heart and tests the mind, exposing what the wicked think is hidden.

In Daniel 6:4, officials diligently search for charges against Daniel — exactly the 'search out iniquities' described here.

In Daniel 6:5, the plotters admit they can only accuse Daniel through his faith — a specific scheme matching the 'perfect plan' here.

In Matthew 26:59, the Sanhedrin seek false evidence against Jesus — a clear parallel to the malicious search for iniquities.

1 Corinthians 4:5 promises that the Lord will disclose the hidden purposes of the heart, fulfilling what this verse implies.

Proverbs 1:11 depicts sinners enticing others to ambush the innocent, matching the injustice plotted here.

In Proverbs 20:5, the heart's purposes are deep waters — echoing the 'heart is deep' here, though Proverbs focuses on wisdom drawing them out.

Daniel 11:27 depicts two kings with hearts bent on evil, speaking lies — echoing the hidden scheming of the wicked in Psalm 64:6.