Luke 18:1

Now He was telling them a parable to show that at all times they ought to pray and not to lose heart,

Colossians 4:2

Devote yourselves to prayer, keeping alert in it with an attitude of thanksgiving;

Romans 12:12

rejoicing in hope, persevering in tribulation, devoted to prayer,

Ephesians 6:18

With all prayer and petition pray at all times in the Spirit, and with this in view, be on the alert with all perseverance and petition for all the saints,

1 Thessalonians 5:17

pray without ceasing;

Philippians 4:6

Be anxious for nothing, but in everything by prayer and supplication with thanksgiving let your requests be made known to God.

Psalm 55:16-17

As for me, I shall call upon God,
And the Lord will save me.

Luke 21:36

But keep on the alert at all times, praying that you may have strength to escape all these things that are about to take place, and to stand before the Son of Man.”

Genesis 32:24-26

Then Jacob was left alone, and a man wrestled with him until daybreak.

Job 27:8-10

“For what is the hope of the godless when he is cut off,
When God requires his life?

Psalm 27:13

I would have despaired unless I had believed that I would see the goodness of the Lord
In the land of the living.

Psalm 65:2

O You who hear prayer,
To You all men come.

Psalm 86:3

Be gracious to me, O Lord,
For to You I cry all day long.

Psalm 102:17

He has regarded the prayer of the destitute
And has not despised their prayer.

Genesis 32:9-12

Jacob said, “O God of my father Abraham and God of my father Isaac, O Lord, who said to me, ‘Return to your country and to your relatives, and I will prosper you,’

Psalm 142:5-7

I cried out to You, O Lord;
I said, “You are my refuge,
My portion in the land of the living.

Jeremiah 29:12

Then you will call upon Me and come and pray to Me, and I will listen to you.

Jonah 2:7

“While I was fainting away,
I remembered the Lord,
And my prayer came to You,
Into Your holy temple.

Luke 11:5-9

Then He said to them, Suppose one of you has a friend, and goes to him at midnight and says to him, ‘Friend, lend me three loaves;

2 Corinthians 4:1

Therefore, since we have this ministry, as we received mercy, we do not lose heart,

Galatians 6:9

Let us not lose heart in doing good, for in due time we will reap if we do not grow weary.

Colossians 4:12

Epaphras, who is one of your number, a bondslave of Jesus Christ, sends you his greetings, always laboring earnestly for you in his prayers, that you may stand perfect and fully assured in all the will of God.

Hebrews 12:3-5

For consider Him who has endured such hostility by sinners against Himself, so that you will not grow weary and lose heart.

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 would have despaired unless I had believed that I would see the goodness of the Lord
In the land of the living.
Jonah 2:7
“While I was fainting away,
I remembered the Lord,
And my prayer came to You,
Into Your holy temple.
Galatians 6:9
Let us not lose heart in doing good, for in due time we will reap if we do not grow weary.
Hebrews 12:3
For consider Him who has endured such hostility by sinners against Himself, so that you will not grow weary and lose heart.

General references

Genesis 18:31
And he said, “Now behold, I have ventured to speak to the Lord; suppose twenty are found there?” And He said, “I will not destroy it on account of the twenty.”
Exodus 17:11
So it came about when Moses held his hand up, that Israel prevailed, and when he let his hand down, Amalek prevailed.
Luke 11:10
For everyone who asks, receives; and he who seeks, finds; and to him who knocks, it will be opened.