Joel 2:12

Therefore also now, saith the LORD, turn ye even to me with all your heart, and with fasting, and with weeping, and with mourning:

Jeremiah 4:1

If thou wilt return, O Israel, saith the LORD, return unto me: and if thou wilt put away thine abominations out of my sight, then shalt thou not remove.

Hosea 12:6

Therefore turn thou to thy God: keep mercy and judgment, and wait on thy God continually.

Deuteronomy 4:29-30

But if from thence thou shalt seek the LORD thy God, thou shalt find him, if thou seek him with all thy heart and with all thy soul.

1 Samuel 7:3

And Samuel spake unto all the house of Israel, saying, If ye do return unto the LORD with all your hearts, then put away the strange gods and Ashtaroth from among you, and prepare your hearts unto the LORD, and serve him only: and he will deliver you out of the hand of the Philistines.

1 Samuel 7:6

And they gathered together to Mizpeh, and drew water, and poured it out before the LORD, and fasted on that day, and said there, We have sinned against the LORD. And Samuel judged the children of Israel in Mizpeh.

Judges 20:26

Then all the children of Israel, and all the people, went up, and came unto the house of God, and wept, and sat there before the LORD, and fasted that day until even, and offered burnt offerings and peace offerings before the LORD.

1 Kings 8:47-49

Yet if they shall bethink themselves in the land whither they were carried captives, and repent, and make supplication unto thee in the land of them that carried them captives, saying, We have sinned, and have done perversely, we have committed wickedness;

2 Chronicles 6:38-39

If they return to thee with all their heart and with all their soul in the land of their captivity, whither they have carried them captives, and pray toward their land, which thou gavest unto their fathers, and toward the city which thou hast chosen, and toward the house which I have built for thy name:

2 Chronicles 7:13-14

If I shut up heaven that there be no rain, or if I command the locusts to devour the land, or if I send pestilence among my people;

2 Chronicles 20:3-4

And Jehoshaphat feared, and set himself to seek the LORD, and proclaimed a fast throughout all Judah.

Nehemiah 9:1-2

Now in the twenty and fourth day of this month the children of Israel were assembled with fasting, and with sackclothes, and earth upon them.

Isaiah 22:12

And in that day did the Lord GOD of hosts call to weeping, and to mourning, and to baldness, and to girding with sackcloth:

Isaiah 55:6-7

Seek ye the LORD while he may be found, call ye upon him while he is near:

Jeremiah 29:12-13

Then shall ye call upon me, and ye shall go and pray unto me, and I will hearken unto you.

Lamentations 3:40-41

Let us search and try our ways, and turn again to the LORD.

Hosea 6:1

Come, and let us return unto the LORD: for he hath torn, and he will heal us; he hath smitten, and he will bind us up.

Hosea 14:1

O Israel, return unto the LORD thy God; for thou hast fallen by thine iniquity.

Jonah 3:5-8

So the people of Nineveh believed God, and proclaimed a fast, and put on sackcloth, from the greatest of them even to the least of them.

Zechariah 1:3-4

Therefore say thou unto them, Thus saith the LORD of hosts; Turn ye unto me, saith the LORD of hosts, and I will turn unto you, saith the LORD of hosts.

Zechariah 7:3

And to speak unto the priests which were in the house of the LORD of hosts, and to the prophets, saying, Should I weep in the fifth month, separating myself, as I have done these so many years?

Zechariah 7:5

Speak unto all the people of the land, and to the priests, saying, When ye fasted and mourned in the fifth and seventh month, even those seventy years, did ye at all fast unto me, even to me?

Zechariah 12:10-14

And I will pour upon the house of David, and upon the inhabitants of Jerusalem, the spirit of grace and of supplications: and they shall look upon me whom they have pierced, and they shall mourn for him, as one mourneth for his only son, and shall be in bitterness for him, as one that is in bitterness for his firstborn.

Acts 26:20

But shewed first unto them of Damascus, and at Jerusalem, and throughout all the coasts of Judaea, and then to the Gentiles, that they should repent and turn to God, and do works meet for repentance.

James 4:8-9

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

Treasury of Scripture Knowledge

Summary

Therefore also now, saith the LORD, turn ye even to me with all your heart, and with fasting, and with weeping, and with mourning:

Bible References

With fasting

Judges 20:26
Then all the children of Israel, and all the people, went up, and came unto the house of God, and wept, and sat there before the LORD, and fasted that day until even, and offered burnt offerings and peace offerings before the LORD.
1 Samuel 7:6
And they gathered together to Mizpeh, and drew water, and poured it out before the LORD, and fasted on that day, and said there, We have sinned against the LORD. And Samuel judged the children of Israel in Mizpeh.
2 Chronicles 20:3
And Jehoshaphat feared, and set himself to seek the LORD, and proclaimed a fast throughout all Judah.
Nehemiah 9:1
Now in the twenty and fourth day of this month the children of Israel were assembled with fasting, and with sackclothes, and earth upon them.
Isaiah 22:12
And in that day did the Lord GOD of hosts call to weeping, and to mourning, and to baldness, and to girding with sackcloth:
Jonah 3:5
So the people of Nineveh believed God, and proclaimed a fast, and put on sackcloth, from the greatest of them even to the least of them.
Zechariah 7:3
And to speak unto the priests which were in the house of the LORD of hosts, and to the prophets, saying, Should I weep in the fifth month, separating myself, as I have done these so many years?
Zechariah 12:10
And I will pour upon the house of David, and upon the inhabitants of Jerusalem, the spirit of grace and of supplications: and they shall look upon me whom they have pierced, and they shall mourn for him, as one mourneth for his only son, and shall be in bitterness for him, as one that is in bitterness for his firstborn.
James 4:8
Draw nigh to God, and he will draw nigh to you. Cleanse your hands, ye sinners; and purify your hearts, ye double minded.

King James Version Public Domain