Luke 18:7

And will not God avenge the wrongs of His own People who cry aloud to Him day and night, although He seems slow in taking action on their behalf?

Revelation 6:10

And now in loud voices they cried out, saying, "How long, O Sovereign Lord, the holy One and the true, dost Thou delay judgment and the taking of vengeance upon the inhabitants of the earth for our blood?"

Matthew 7:11

If you then, imperfect as you are, know how to give good gifts to your children, how much more will your Father in Heaven give good things to those who ask Him!

Luke 2:37

and then being a widow of eighty-four years. She was never absent from the Temple, but worshipped, by day and by night, with fasting and prayer.

Luke 11:13

If you then, with all your human frailty, know how to give your children gifts that are good for them, how much more certainly will your Father who is in Heaven give the Holy Spirit to those who ask Him!"

Romans 8:33

Who shall impeach those whom God has chosen? God declares them free from guilt.

Colossians 3:12

Clothe yourselves therefore, as God's own people holy and dearly loved, with tender-heartedness, kindness, lowliness of mind, meekness, long-suffering;

1 Thessalonians 3:10

while night and day, with intense earnestness, we pray that we may see your faces, and may bring to perfection whatever may be still lacking in your faith?

2 Thessalonians 1:6

A plain token of God's righteous judgement, I say, since it is a righteous thing for Him to requite with affliction those who are now afflicting you;

1 Timothy 5:5

A widow who is really in need, friendless and desolate, has her hopes fixed on God, and continues at her supplications and prayers, night and day;

2 Timothy 1:3

I thank God, whom I serve with a pure conscience--as my forefathers did--that night and day I unceasingly remember you in my prayers,

Titus 1:1

Paul, a bondservant of God and an Apostle of Jesus Christ for building up the faith of God's own people and spreading a full knowledge of the truths of religion,

Hebrews 10:35-37

Therefore do not cast from you your confident hope, for it will receive a vast reward.

2 Peter 3:9

The Lord is not slow in fulfilling His promise, in the sense in which some men speak of slowness. But He bears patiently with you, His desire being that no one should perish but that all should come to repentance.

Revelation 7:15

For this reason they stand before the very throne of God, and render Him service, day after day and night after night, in His sanctuary, and He who is sitting upon the throne will shelter them in His tent.

Revelation 18:20

Rejoice over her, O Heaven, and you saints and Apostles and Prophets; for God has taken vengeance upon her because of you."

Treasury of Scripture Knowledge

Summary

And shall not God avenge his own elect, which cry day and night unto him, though he bear long with them?

Though

Bible References

Shall

Luke 11:13
If you then, with all your human frailty, know how to give your children gifts that are good for them, how much more certainly will your Father who is in Heaven give the Holy Spirit to those who ask Him!"
Matthew 7:11
If you then, imperfect as you are, know how to give good gifts to your children, how much more will your Father in Heaven give good things to those who ask Him!

Which

Luke 2:37
and then being a widow of eighty-four years. She was never absent from the Temple, but worshipped, by day and by night, with fasting and prayer.
1 Thessalonians 3:10
while night and day, with intense earnestness, we pray that we may see your faces, and may bring to perfection whatever may be still lacking in your faith?
1 Timothy 5:5
A widow who is really in need, friendless and desolate, has her hopes fixed on God, and continues at her supplications and prayers, night and day;
2 Timothy 1:3
I thank God, whom I serve with a pure conscience--as my forefathers did--that night and day I unceasingly remember you in my prayers,
Revelation 7:15
For this reason they stand before the very throne of God, and render Him service, day after day and night after night, in His sanctuary, and He who is sitting upon the throne will shelter them in His tent.

Though

Hebrews 10:35
Therefore do not cast from you your confident hope, for it will receive a vast reward.