Acts 12:5

Therefore, Peter was kept in prison; but fervent prayer to God was made for him by the church.

2 Corinthians 1:11

if you also unite in prayer for our aid, that the favor bestowed on us, through the intercession of many persons, may cause thanks to be given by many for us.

Matthew 18:19

Again, I say to you, that if two of you agree on earth about any thing for which they will ask, it shall be done for them by my Father who is in heaven.

Luke 18:1

And he spoke a parable to them, that they ought always to pray, and not to become weary,

Acts 12:12

And being aware of his condition, he came to the house of Mary the mother of John, who is surnamed Mark, where many had met together, and were praying.

1 Corinthians 12:26

and if one member suffer, all the members suffer with it; or if one member is honored, all the members rejoice with it.

Ephesians 6:18-20

praying with all prayer and supplication, at all times, in the Spirit; and to this end being watchful in all perseverance, and supplication for all the saints:

1 Thessalonians 5:17

pray without ceasing;

Hebrews 13:3

Remember those who are in bonds, as if you yourselves had been bound, and those who suffer affliction, since you yourselves are in the body.

James 5:16

Confess your faults one to another, and pray for one another, that you may be restored to health: the fervent prayer of a righteous man avails much.

Treasury of Scripture Knowledge

Summary

Peter therefore was kept in prison: but prayer was made without ceasing of the church unto God for him.

General references

Bible References

Prayer was made without ceasing, or, instant and earnest prayer was made

Acts 12:12
And being aware of his condition, he came to the house of Mary the mother of John, who is surnamed Mark, where many had met together, and were praying.
Matthew 18:19
Again, I say to you, that if two of you agree on earth about any thing for which they will ask, it shall be done for them by my Father who is in heaven.
Luke 18:1
And he spoke a parable to them, that they ought always to pray, and not to become weary,
1 Corinthians 12:26
and if one member suffer, all the members suffer with it; or if one member is honored, all the members rejoice with it.
2 Corinthians 1:11
if you also unite in prayer for our aid, that the favor bestowed on us, through the intercession of many persons, may cause thanks to be given by many for us.
Ephesians 6:18
praying with all prayer and supplication, at all times, in the Spirit; and to this end being watchful in all perseverance, and supplication for all the saints:
1 Thessalonians 5:17
pray without ceasing;
Hebrews 13:3
Remember those who are in bonds, as if you yourselves had been bound, and those who suffer affliction, since you yourselves are in the body.
James 5:16
Confess your faults one to another, and pray for one another, that you may be restored to health: the fervent prayer of a righteous man avails much.

General references

Acts 5:18
and they laid their hands on the apostles, and put them in the public prison.