Jeremiah 4:21 laments the ongoing destruction — the urgent background for the repentance call in 4:14.

Jeremiah 35:15 summarizes God's persistent call to turn from evil ways — the same message of repentance Jeremiah 4:14 urges.

Jeremiah 23:26 echoes 'How long?' and condemns prophets with lying hearts — the same inward wickedness 4:14 calls to wash away.

Jeremiah 6:8 warns of God's disgust and desolation if Jerusalem doesn't repent — the very consequence 4:14's call aims to avert.

Jeremiah 31:22 asks 'How long will you wander?' and promises a new creation — contrasting with 4:14's urgent call to cleanse.

In James 4:8, purifying your hearts and cleansing your hands directly parallels washing the heart from evil in Jeremiah.

In Acts 8:22, Peter calls Simon to repent of his heart's intent — the same inner evil Jeremiah commands to wash away.

In Luke 11:39, the Pharisees cleanse only the outside while inside is full of greed, contrasting with Jeremiah's call to wash the heart.

In Matthew 23:27, whitewashed tombs illustrate outward beauty masking inner corruption, reinforcing the need for internal cleansing.

In Matthew 23:26, Jesus calls to clean the inside first, mirroring Jeremiah's command to wash the heart from evil.

In Matthew 15:20, Jesus contrasts inner defilement with external washing, reinforcing that heart cleansing is what truly saves.

In Matthew 15:19, evil thoughts and sins come from the heart, showing exactly what Jeremiah calls to be washed away.

In Ezekiel 18:31, making a new heart and spirit parallels washing the heart; both urge turning from sin to live.

In Isaiah 55:7, this same call to forsake wicked thoughts and return to the Lord for pardon echoes the plea to wash the heart from evil.

Isaiah 1:16 calls for washing and cleansing from evil as a prerequisite for salvation, directly paralleling this call to wash the heart from wickedness.

In Psalm 66:18, cherishing iniquity in the heart blocks prayer — reinforcing Jeremiah's call to wash the heart from evil.

In Genesis 6:5, every intention of man's heart is only evil — exactly the wicked thoughts Jeremiah commands to wash away.

2 Corinthians 7:1 urges cleansing from all defilement, echoing Jeremiah's command to wash the heart from evil.

Psalm 24:4 defines a pure heart — the very cleansing Jeremiah calls for in Jerusalem.

Romans 2:29 emphasizes inward circumcision of the heart, matching Jeremiah's call for heart cleansing over external ritual.

Job 9:30 argues external washing cannot cleanse from sin — contrasting with Jeremiah's command to wash the heart internally for salvation.

Mark 7:21 picks up Jeremiah's theme: evil thoughts arise from within the heart, affirming the need for inner cleansing.

Zechariah 8:17 commands not to devise evil in hearts — directly parallel to Jeremiah 4:14's call to wash away wicked thoughts.

In Matthew 23:37, Jesus laments over Jerusalem with the same heart as Jeremiah's plea for the city to repent.

Numbers 14:11 mirrors the 'how long' complaint — God laments Israel's unbelief, just as Jeremiah laments persistent wicked thoughts.

Proverbs 30:12 describes those pure in their own eyes but not cleansed — contrasting with Jeremiah's demand for actual heart cleansing.

Deuteronomy 10:16 uses the same heart-circumcision metaphor — internal repentance required to remove stubbornness.

Matthew 17:17 echoes Jeremiah's exasperated 'how long' lament, now applied to Jesus' generation's unbelief.

2 Corinthians 10:5 parallels the call to purify thoughts—Paul urges taking every thought captive to obey Christ, echoing the inner cleansing Jeremiah demands.

In Romans 1:21, futile thinking and darkened hearts result from not honoring God — the very condition Jeremiah warns against.

Deuteronomy 30:2 calls for wholehearted return to God — the same repentance Jeremiah demands for Jerusalem to be saved.

Hosea 8:5 asks 'How long will they be incapable of innocence?' — the same inability to cleanse from evil that Jeremiah 4:14 addresses.

Luke 9:41 parallels Jeremiah's 'how long' cry, now directed at a faithless generation needing purification.

Numbers 8:7 describes external purification for Levites — contrasting with Jeremiah's call for internal heart-washing.

Psalm 5:9 describes inward corruption of speech — parallels Jeremiah's diagnosis of wicked thoughts lodging in Jerusalem's heart.

Psalm 73:1 says God is good to those pure in heart — directly relating to Jeremiah's call to wash the heart from evil for salvation.

In Psalm 119:113, hating double-mindedness aligns with Jeremiah's plea to purge wicked thoughts from the heart.

1 Timothy 1:5 speaks of love from a pure heart, mirroring Jeremiah's call to wash the heart from wickedness for salvation.

In Proverbs 1:22, the 'how long' rebuke of the simple mirrors Jeremiah's rhetorical question about lingering evil thoughts.

2 Chronicles 34:5 describes Josiah's external cleansing of Judah — a counterpart to Jeremiah's call for internal heart purification.

In Exodus 16:28, God's 'how long' complaint about disobeying commands parallels Jeremiah's question about lingering evil thoughts.

Psalm 10:4 describes the wicked's thoughts denying God — similar to the wicked thoughts Jeremiah says lodge in Jerusalem.