Jeremiah 4:14

O Jerusalem, wash your heart from wickedness, that you may be saved. How long shall your vain thoughts lodge within you?

James 4:8

Draw near to God, and he will draw near to you. Cleanse your hands, you sinners; and purify your hearts, you double-minded.

Proverbs 1:22

How long, you simple ones, will you love simplicity? and the scoffers delight in their scoffing, and fools hate knowledge?

Jeremiah 13:27

I have seen your adulteries, and your neighings, the lewdness of your harlotry, and your abominations on the hills in the fields. Woe unto you, O Jerusalem! will you not be made clean? when shall it be?

Psalm 66:18

If I regard iniquity in my heart, the Lord will not hear me:

Psalm 119:113

[Samek] I hate vain thoughts: but your law do I love.

Isaiah 1:16-19

Wash you, make yourself clean; put away the evil of your doings from before my eyes; cease to do evil;

Isaiah 55:7

Let the wicked forsake his way, and the unrighteous man his thoughts: and let him return unto the LORD, and he will have mercy upon him; and to our God, for he will abundantly pardon.

Ezekiel 18:31

Cast away from you all your transgressions, by which you have transgressed; and make you a new heart and a new spirit: for why will you die, O house of Israel?

Matthew 12:33

Either make the tree good, and its fruit good; or else make the tree corrupt, and its fruit corrupt: for the tree is known by its fruit.

Matthew 15:19-20

For out of the heart proceed evil thoughts, murders, adulteries, fornications, thefts, false witness, blasphemies:

Matthew 23:26-27

You blind Pharisee, cleanse first that which is within the cup and platter, that the outside of them may be clean also.

Luke 11:39

And the Lord said unto him, Now do you Pharisees make clean the outside of the cup and the platter; but your inward part is full of extortion and wickedness.

Acts 8:22

Repent therefore of this your wickedness, and pray God, if perhaps the thought of your heart may be forgiven you.

Romans 1:21

Because, when they knew God, they glorified him not as God, neither were thankful; but became vain in their imaginations, and their foolish hearts were darkened.

1 Corinthians 3:20

And again, The Lord knows the thoughts of the wise, that they are vain.

Treasury of Scripture Knowledge

Summary

O Jerusalem, wash thine heart from wickedness, that thou mayest be saved. How long shall thy vain thoughts lodge within thee?

General references

Bible References

Wash

Isaiah 1:16
Wash you, make yourself clean; put away the evil of your doings from before my eyes; cease to do evil;
Isaiah 55:7
Let the wicked forsake his way, and the unrighteous man his thoughts: and let him return unto the LORD, and he will have mercy upon him; and to our God, for he will abundantly pardon.
Ezekiel 18:31
Cast away from you all your transgressions, by which you have transgressed; and make you a new heart and a new spirit: for why will you die, O house of Israel?
Matthew 12:33
Either make the tree good, and its fruit good; or else make the tree corrupt, and its fruit corrupt: for the tree is known by its fruit.
Matthew 15:19
For out of the heart proceed evil thoughts, murders, adulteries, fornications, thefts, false witness, blasphemies:
Matthew 23:26
You blind Pharisee, cleanse first that which is within the cup and platter, that the outside of them may be clean also.
Luke 11:39
And the Lord said unto him, Now do you Pharisees make clean the outside of the cup and the platter; but your inward part is full of extortion and wickedness.
James 4:8
Draw near to God, and he will draw near to you. Cleanse your hands, you sinners; and purify your hearts, you double-minded.

General references

Exodus 16:28
And the LORD said unto Moses, How long do you refuse to keep my commandments and my laws?
Job 9:30
If I wash myself with snow water, and make my hands ever so clean;