1 John 5:15

If we know that he hears us, whatever we ask, we know that we have the petitions (requests) that we have asked of him.

Proverbs 15:29

Jehovah is far from the wicked. He hears the prayer of the righteous.

Jeremiah 15:12-13

Can a man break iron, especially the iron from the north that is mixed with copper?

Mark 11:24

I tell you, believe that you receive what you pray for and you shall have it.

Luke 11:9-10

I say to you: Ask and it will be given you. Seek and you will find. Knock and it will be opened to you.

1 John 5:18-20

We know that no one who is born of God practices sin. He who was born from God watches over himself, and the evil one does not touch him.

Treasury of Scripture Knowledge

Summary

And if we know that he hear us, whatsoever we ask, we know that we have the petitions that we desired of him.

Bible References

If

Proverbs 15:29
Jehovah is far from the wicked. He hears the prayer of the righteous.
Jeremiah 15:12
Can a man break iron, especially the iron from the north that is mixed with copper?

We know

Mark 11:24
I tell you, believe that you receive what you pray for and you shall have it.
Luke 11:9
I say to you: Ask and it will be given you. Seek and you will find. Knock and it will be opened to you.

General references

Psalm 20:4
He will give you your heart's desire and fulfill all your plans.
Isaiah 65:24
Before they call I will answer! While they are still speaking I will hear.
Matthew 21:22
You will receive the things you ask for in prayer when you have faith.