Acts 12:5

So, Peter was kept in jail, but the church continued to pray earnestly to God for him. [See verse 12].

2 Corinthians 1:11

as you cooperate by praying for us. Then, many people will give thanks [to God] on our behalf for the gift He has given to us through [your] many [prayers].

Matthew 18:19

I tell you again, if two of you agree [here] on earth concerning anything you ask for [i.e., in prayer], God in heaven will grant it to you.

Luke 18:1

Then Jesus told His disciples a parable for the purpose of showing them that they should pray continually and not become discouraged.

Acts 12:12

After thinking about the matter [for awhile], he decided to go to the house of Mary, mother of John Mark, where a large gathering [of Christians] was praying.

1 Corinthians 12:26

So, if one part [i.e., one Christian] suffers, then all the parts [i.e., the other Christians] should suffer with it. Or, if one part is honored, all the [other] parts should rejoice with it.

Ephesians 6:18-20

[Then] offer all kinds of prayers and requests in [harmony with] the Holy Spirit at all times, and be alert constantly in making requests for all the saints [i.e., God's holy people].

1 Thessalonians 5:17

Never stop praying.

Hebrews 13:3

Remember [to pray for and help] those who are in prison, as though you [yourselves] were in prison with them. [Remember] those who are being mistreated, realizing that you [yourselves] also share [with them] a physical body [i.e., you are subject to the same kind of trials].

James 5:16

So, confess your sins to one another, and pray for one another to be healed [from sin sickness]. The special request of a righteous person is empowered with [great] effectiveness.

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
After thinking about the matter [for awhile], he decided to go to the house of Mary, mother of John Mark, where a large gathering [of Christians] was praying.
Matthew 18:19
I tell you again, if two of you agree [here] on earth concerning anything you ask for [i.e., in prayer], God in heaven will grant it to you.
Luke 18:1
Then Jesus told His disciples a parable for the purpose of showing them that they should pray continually and not become discouraged.
1 Corinthians 12:26
So, if one part [i.e., one Christian] suffers, then all the parts [i.e., the other Christians] should suffer with it. Or, if one part is honored, all the [other] parts should rejoice with it.
2 Corinthians 1:11
as you cooperate by praying for us. Then, many people will give thanks [to God] on our behalf for the gift He has given to us through [your] many [prayers].
Ephesians 6:18
[Then] offer all kinds of prayers and requests in [harmony with] the Holy Spirit at all times, and be alert constantly in making requests for all the saints [i.e., God's holy people].
1 Thessalonians 5:17
Never stop praying.
Hebrews 13:3
Remember [to pray for and help] those who are in prison, as though you [yourselves] were in prison with them. [Remember] those who are being mistreated, realizing that you [yourselves] also share [with them] a physical body [i.e., you are subject to the same kind of trials].
James 5:16
So, confess your sins to one another, and pray for one another to be healed [from sin sickness]. The special request of a righteous person is empowered with [great] effectiveness.

General references

Acts 5:18
and arrested the apostles and put them in jail.