Luke 18:1

Now He told them the following story to show how necessary it is for people always to pray and never to give up:

Colossians 4:2

You must persevere in prayer and by this means stay wide awake when you give thanks.

Romans 12:12

ever happy in hope, always patient in suffering, ever persistent in prayer,

Ephesians 6:18

Keep on praying in the Spirit, with every kind of prayer and entreaty, at every opportunity, be ever on the alert with perfect devotion and entreaty for all God's people,

1 Thessalonians 5:17

Never stop praying.

Philippians 4:6

Stop being worried about anything, but always, in prayer and entreaty, and with thanksgiving, keep on making your wants known to God.

Luke 21:36

But ever be watching and always praying, so that you may have strength to escape all this that is going to take place, and so you may take your stand in the presence of the Son of Man."

Luke 11:5-9

Then He said to them: "Suppose one of you has a friend, and you go to him in the middle of the night and say to him, 'Friend, lend me three loaves;

2 Corinthians 4:1

So, because I hold a place in this ministry and that because I have had God's mercy shown me, I never give up.

Galatians 6:9

Let us stop getting tired of doing good, for at the proper time we shall reap if we do not give up.

Colossians 4:12

Epaphras, one of your own number, a slave of Christ Jesus, wishes to be remembered to you. He is always earnestly pleading for you in his prayers that you may stand fast as men mature and of firm convictions in everything required by the will of God.

Hebrews 12:3-5

Yes, to keep from growing weary and fainthearted, just think of the examples set by Him who has endured so great opposition aimed at Him by sinful men!

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;

General references

Bible References

And not

Galatians 6:9
Let us stop getting tired of doing good, for at the proper time we shall reap if we do not give up.
Hebrews 12:3
Yes, to keep from growing weary and fainthearted, just think of the examples set by Him who has endured so great opposition aimed at Him by sinful men!

General references

Luke 11:10
For everyone who keeps on asking, receives; and the one who keeps on seeking, finds; and to the one who keeps on knocking, the door will open.