Jeremiah 20:12 says God tests the righteous and sees the heart, directly matching the testing language of Jeremiah 12:3.

Jeremiah 18:21-23 similarly asks God to not forgive the enemies' sin, paralleling the plea for judgment in Jeremiah 12:3.

Jeremiah 17:18 also calls for double destruction on persecutors, echoing the same imprecatory tone found in Jeremiah 12:3.

In Jeremiah 11:20, Jeremiah similarly asks God to test the heart and bring judgment, reinforcing his plea.

Jeremiah 15:15 is another lament asking God to avenge him against persecutors — a parallel plea.

Jeremiah 50:27 commands Babylon's young to go down to slaughter, sharing the judgment and slaughter theme with Jeremiah 12:3.

Jeremiah 48:15 uses the same 'slaughter' image for Moab's young men as Jeremiah 12:3's 'drag them off like sheep for slaughter.'

1 Chronicles 29:17 explicitly states God tests the heart and delights in integrity, reinforcing Jeremiah's appeal.

Psalm 139:23 explicitly asks God to search and test the heart, mirroring Jeremiah's invitation for divine examination.

Psalm 139:1 declares 'you have searched me and known me,' the same basis for Jeremiah's confidence.

Psalm 44:22 uses the same 'sheep to be slaughtered' phrase for faithful suffering, while Jeremiah applies it to the wicked's judgment.

Psalm 17:3 directly says 'You test my heart' and finds no wickedness, similar to Jeremiah's plea for vindication.

Job 23:10 expresses confidence that when God tests him he will emerge as gold, paralleling Jeremiah's submission.

Psalm 49:14 portrays the wicked as sheep appointed for Sheol — identical metaphor of death for the wicked.

Psalm 44:11 says God made them 'like sheep for slaughter' — same image but for suffering, not judgment.

Acts 8:32 quotes Isaiah's 'sheep led to slaughter' — the same phrase used here for the wicked, but applied to Christ's suffering, creating a contrast in meaning.

Romans 8:36 quotes Psalm 44:22, using 'sheep for slaughter' for believers suffering for Christ — contrasting the wicked's judgment here with the righteous' sacrifice.

Psalm 44:21 affirms God knows the secrets of the heart, aligning with Jeremiah's assertion that God sees his heart.

In 2 Kings 20:3, Hezekiah appeals to God's knowledge of his whole heart, matching Jeremiah's claim of being known.

In John 21:17, Peter affirms that Jesus knows all things, mirroring Jeremiah's confidence that God knows his heart.

James 5:5 warns the rich of a 'day of slaughter' — the same judgment imagery for oppressors.

1 John 3:20 declares God knows everything, even when our heart condemns—similar to Jeremiah's appeal to God's knowledge of his heart.

Psalm 26:1 appeals to integrity and trust, echoing the theme of God testing the upright, though less directly.