Joel 2:12

Yet even now, says Jehovah, turn to Me with all your heart, and with fasting, and with weeping, and with mourning.

Jeremiah 4:1

If you will return, O Israel, says Jehovah, return to Me. And if you will put away your abominations out of your sight, then you shall not be moved.

Hosea 12:6

Therefore turn to your God; keep mercy and judgment, and wait on your God forever.

Deuteronomy 4:29-30

But if you shall seek Jehovah your God from there, you shall find Him, if you seek Him with all your heart and with all your soul.

1 Samuel 7:3

And Samuel spoke to all the house of Israel saying, If you return to Jehovah with all your hearts, then put away the strange gods and Ashtaroth from among you, and prepare your hearts to Jehovah, and serve Him only. And He will deliver you out of the hand of the Philistines.

1 Samuel 7:6

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

Judges 20:26

And all the sons of Israel, and all the people, went up and came into the house of God, and wept, and sat there before Jehovah and fasted that day until evening, and offered burnt offerings and peace offerings before Jehovah.

1 Kings 8:47-49

yet if they shall think within themselves in the land where they are carried captives, and repent, and pray to You in the land of their captors saying, We have sinned and have done perversely, we have done wickedly,

2 Chronicles 6:38-39

if they return to You with all their heart and with all their soul in the land of their captivity where they have carried them captives, and if they pray toward their land which You gave to their fathers and toward the city which You have chosen, and toward the house which I have built for Your name;

2 Chronicles 7:13-14

If I shut up the heavens, and there is no rain, or if I command the locusts to devour the land, or if I send a plague among My people;

2 Chronicles 20:3-4

And Jehoshaphat feared and set himself to seek Jehovah, and called for a fast throughout all Judah.

Nehemiah 9:1-2

And in the twenty-fourth day of this month, the sons of Israel were gathered with fasting and with sackcloth, and with earth upon them.

Isaiah 22:12

And in that day Jehovah of Hosts called to weeping and mourning, and to baldness, and to girding with sackcloth.

Isaiah 55:6-7

Seek Jehovah while He may be found; call on Him while He is near.

Jeremiah 29:12-13

Then you shall call on Me, and you shall go and pray to Me, and I will listen to you.

Lamentations 3:40-41

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

Hosea 6:1

Come and let us return to Jehovah. For He has torn, and He will heal us; He has stricken, and He will bind us up.

Hosea 14:1

O Israel, return to Jehovah your God, for you have fallen by your iniquity.

Jonah 3:5-8

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

Zechariah 1:3-4

And you say to them, So says Jehovah of Hosts: Turn to Me, says Jehovah of Hosts, and I will turn to you, says Jehovah of Hosts.

Zechariah 7:3

to speak to the priests who belong to the house of Jehovah of Hosts, and to the prophets, saying, Should I weep in the fifth month, consecrating myself, as I have done these many years?

Zechariah 7:5

Speak to all the people of the land, and to the priests, saying, When you fasted and mourned in the fifth and seventh months, even those seventy years, did you truly fast to Me, even to Me?

Zechariah 12:10-14

And I will pour on the house of David, and on the people of Jerusalem, the spirit of grace and of prayers. And they shall look on Me whom they have pierced, and they shall mourn for Him, as one mourns for his only son, and shall be bitter over Him, as the bitterness over the first-born.

Acts 26:20

But to those first in Damascus, and Jerusalem, and to all the country of Judea, and to the nations, I made known the command to repent and to turn to God, doing works worthy of repentance

James 4:8-9

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

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
And all the sons of Israel, and all the people, went up and came into the house of God, and wept, and sat there before Jehovah and fasted that day until evening, and offered burnt offerings and peace offerings before Jehovah.
1 Samuel 7:6
And they were gathered to Mizpeh, and drew water, and poured out before Jehovah, and fasted on that day, and said there, We have sinned against Jehovah. And Samuel judged the sons of Israel in Mizpeh.
2 Chronicles 20:3
And Jehoshaphat feared and set himself to seek Jehovah, and called for a fast throughout all Judah.
Nehemiah 9:1
And in the twenty-fourth day of this month, the sons of Israel were gathered with fasting and with sackcloth, and with earth upon them.
Isaiah 22:12
And in that day Jehovah of Hosts called to weeping and mourning, and to baldness, and to girding with sackcloth.
Jonah 3:5
And the people of Nineveh believed God. And they called a fast, and put on sackcloth, from the greatest of them even to the least of them.
Zechariah 7:3
to speak to the priests who belong to the house of Jehovah of Hosts, and to the prophets, saying, Should I weep in the fifth month, consecrating myself, as I have done these many years?
Zechariah 12:10
And I will pour on the house of David, and on the people of Jerusalem, the spirit of grace and of prayers. And they shall look on Me whom they have pierced, and they shall mourn for Him, as one mourns for his only son, and shall be bitter over Him, as the bitterness over the first-born.
James 4:8
Draw near to God, and He will draw near to you. Cleanse your hands, sinners; and purify your hearts, double-minded ones.