Luke 18:1

And he spake a parable unto them to this end, that men ought always to pray, and not to faint;

Colossians 4:2

Continue in prayer, and watch in the same with thanksgiving;

Romans 12:12

Rejoicing in hope; patient in tribulation; continuing instant in prayer;

Ephesians 6:18

Praying always with all prayer and supplication in the Spirit, and watching thereunto with all perseverance and supplication for all saints;

1 Thessalonians 5:17

Pray without ceasing.

Philippians 4:6

Be careful for nothing; but in every thing by prayer and supplication with thanksgiving let your requests be made known unto God.

Psalm 55:16-17

As for me, I will call upon God; and the LORD shall save me.

Luke 21:36

Watch ye therefore, and pray always, that ye may be accounted worthy to escape all these things that shall come to pass, and to stand before the Son of man.

Genesis 32:24-26

And Jacob was left alone; and there wrestled a man with him until the breaking of the day.

Job 27:8-10

For what is the hope of the hypocrite, though he hath gained, when God taketh away his soul?

Psalm 27:13

I had fainted, unless I had believed to see the goodness of the LORD in the land of the living.

Psalm 65:2

O thou that hearest prayer, unto thee shall all flesh come.

Psalm 86:3

Be merciful unto me, O Lord: for I cry unto thee daily.

Psalm 102:17

He will regard the prayer of the destitute, and not despise their prayer.

Genesis 32:9-12

And Jacob said, O God of my father Abraham, and God of my father Isaac, the LORD which saidst unto me, Return unto thy country, and to thy kindred, and I will deal well with thee:

Psalm 142:5-7

I cried unto thee, O LORD: I said, Thou art my refuge and my portion in the land of the living.

Jeremiah 29:12

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

Jonah 2:7

When my soul fainted within me I remembered the LORD: and my prayer came in unto thee, into thine holy temple.

Luke 11:5-9

And he said unto them, Which of you shall have a friend, and shall go unto him at midnight, and say unto him, Friend, lend me three loaves;

2 Corinthians 4:1

Therefore seeing we have this ministry, as we have received mercy, we faint not;

Galatians 6:9

And let us not be weary in well doing: for in due season we shall reap, if we faint not.

Colossians 4:12

Epaphras, who is one of you, a servant of Christ, saluteth you, always labouring fervently for you in prayers, that ye may stand perfect and complete in all the will of God.

Hebrews 12:3-5

For consider him that endured such contradiction of sinners against himself, lest ye be wearied and faint in your minds.

Treasury of Scripture Knowledge

Summary

And he spake a parable unto them to this end, that men ought always to pray, and not to faint;

Bible References

And not

Psalm 27:13
I had fainted, unless I had believed to see the goodness of the LORD in the land of the living.
Jonah 2:7
When my soul fainted within me I remembered the LORD: and my prayer came in unto thee, into thine holy temple.
Galatians 6:9
And let us not be weary in well doing: for in due season we shall reap, if we faint not.
Hebrews 12:3
For consider him that endured such contradiction of sinners against himself, lest ye be wearied and faint in your minds.

General references

Genesis 18:31
And he said, Behold now, I have taken upon me to speak unto the Lord: Peradventure there shall be twenty found there. And he said, I will not destroy it for twenty's sake.
Exodus 17:11
And it came to pass, when Moses held up his hand, that Israel prevailed: and when he let down his hand, Amalek prevailed.
Luke 11:10
For every one that asketh receiveth; and he that seeketh findeth; and to him that knocketh it shall be opened.