1 John 5:16

If anyone sees his brother committing a sin that does not lead to death, he will ask and God will grant him life; yea, He will grant it to any who do not commit a sin that leads to death. There is a sin that leads to death; I do not say that one should pray for that.

Treasury of Scripture Knowledge

Summary

Therefore pray not thou for this people, neither lift up cry nor prayer for them, neither make intercession to me: for I will not hear thee.

Bible References

Pray

1 John 5:16
If anyone sees his brother committing a sin that does not lead to death, he will ask and God will grant him life; yea, He will grant it to any who do not commit a sin that leads to death. There is a sin that leads to death; I do not say that one should pray for that.