2 Samuel 12:22

And he said, While the child was still living I went without food and gave myself up to weeping: for I said, Who is able to say that the Lord will not have mercy on me and give the child life?

Isaiah 38:1-3

In those days Hezekiah was ill and near death. And Isaiah the prophet, the son of Amoz, came to him, and said to him, The Lord says, Put your house in order; for your death is near.

Isaiah 38:5

Go to Hezekiah, and say, The Lord, the God of David, your father, says, Your prayer has come to my ears, and I have seen your weeping: see, I will give you fifteen more years of life.

Joel 1:14

Let a time be fixed for going without food, have a holy meeting, let the old men, even all the people of the land, come together to the house of the Lord your God, crying out to the Lord.

Joel 2:14

May it not be that he will again let his purpose be changed and let a blessing come after him, even a meal offering and a drink offering for the Lord your God?

Amos 5:15

Be haters of evil and lovers of good, and let right be done in the public place: it may be that the Lord, the God of armies, will have mercy on the rest of Joseph.

Jonah 1:6

And the ship's captain came to him and said to him, What are you doing sleeping? Up! say a prayer to your God, if by chance God will give a thought to us, so that we may not come to destruction.

Jonah 3:9-10

Who may say that God will not be turned, changing his purpose and turning away from his burning wrath, so that destruction may not overtake us?

James 4:9-10

Be troubled, with sorrow and weeping; let your laughing be turned to sorrow and your joy to grief.

Treasury of Scripture Knowledge

Summary

And he said, While the child was yet alive, I fasted and wept: for I said, Who can tell whether GOD will be gracious to me, that the child may live?

General references

Bible References

I fasted

Isaiah 38:1
In those days Hezekiah was ill and near death. And Isaiah the prophet, the son of Amoz, came to him, and said to him, The Lord says, Put your house in order; for your death is near.
Joel 1:14
Let a time be fixed for going without food, have a holy meeting, let the old men, even all the people of the land, come together to the house of the Lord your God, crying out to the Lord.
Joel 2:14
May it not be that he will again let his purpose be changed and let a blessing come after him, even a meal offering and a drink offering for the Lord your God?
Amos 5:15
Be haters of evil and lovers of good, and let right be done in the public place: it may be that the Lord, the God of armies, will have mercy on the rest of Joseph.
Jonah 1:6
And the ship's captain came to him and said to him, What are you doing sleeping? Up! say a prayer to your God, if by chance God will give a thought to us, so that we may not come to destruction.
Jonah 3:9
Who may say that God will not be turned, changing his purpose and turning away from his burning wrath, so that destruction may not overtake us?
James 4:9
Be troubled, with sorrow and weeping; let your laughing be turned to sorrow and your joy to grief.

General references

Jonah 3:9
Who may say that God will not be turned, changing his purpose and turning away from his burning wrath, so that destruction may not overtake us?

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain