1 John 5:15

And if we know that he hears us whatever we ask, we know that we have the petitions which we have asked of him.

Mark 11:24

Therefore I tell you, all things whatever which you ask in prayer, believe that you shall receive them, and you shall have them.

Luke 11:9-10

And I tell you, Ask, and it shall be given you; seek, and you shall find; knock, and it shall be opened to you;

1 John 5:18-20

We know that every one who has been born of God does not sin, but he that has been born of God keeps 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.

General references

Bible References

We know

Mark 11:24
Therefore I tell you, all things whatever which you ask in prayer, believe that you shall receive them, and you shall have them.
Luke 11:9
And I tell you, Ask, and it shall be given you; seek, and you shall find; knock, and it shall be opened to you;

General references

Matthew 21:22
and all things whatever which you ask in prayer believing, you shall receive.