Isaiah 1:15

15When you aspread out your hands,
I will hide my eyes from you;
beven though you make many prayers,
I will not listen;
cyour hands are full of blood.

Isaiah 37:4

4 dIt may be that the Lord your God will hear the words of the Rabshakeh, whom his master the king of Assyria has sent to mock the living God, and will rebuke the words that the Lord your God has heard; therefore lift up your prayer for ethe remnant that is left.’”

Acts 8:24

24And Simon answered, fPray for me to the Lord, that nothing of what you have said may come upon me.”

James 5:16

16Therefore, gconfess your sins to one another and pray for one another, hthat you may be healed. iThe prayer of a righteous person has great power as it is working.
Or The effective prayer of a righteous person has great power
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