1 John 5:16

If anyone sees his brother sinning a sin not to death, he shall ask, and God will give him life for those that sin not to death. There is a sin to death: I do not say that he shall make request concerning this.

Acts 8:24

And Simon answered and said, "Pray ye to the Lord in my behalf, that none of the things which ye have spoken may come upon me."

James 5:15

and the prayer of faith will save the sick, and the Lord will raise him up; and, if he have committed sins, it shall be forgiven him.

Treasury of Scripture Knowledge

Summary

And all the people said unto Samuel, Pray for thy servants unto the LORD thy God, that we die not: for we have added unto all our sins this evil, to ask us a king.

Bible References

Pray for thy

Acts 8:24
And Simon answered and said, "Pray ye to the Lord in my behalf, that none of the things which ye have spoken may come upon me."
James 5:15
and the prayer of faith will save the sick, and the Lord will raise him up; and, if he have committed sins, it shall be forgiven him.
1 John 5:16
If anyone sees his brother sinning a sin not to death, he shall ask, and God will give him life for those that sin not to death. There is a sin to death: I do not say that he shall make request concerning this.