1 John 5:15

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

Proverbs 15:29

The LORD is far from the ungodly; but he heareth the prayer of the righteous.

Jeremiah 15:12-13

Doth one iron hurt another, or one metal that cometh from the North, another?

Mark 11:24

Therefore I say unto you, Whatsoever ye desire when ye pray, believe that ye shall have it and it shall be done unto you.

Luke 11:9-10

"And I say unto you, Ask, and it shall be given you. Seek, and ye shall find. Knock, and it shall be opened unto you.

1 John 5:18-20

We know that all that are born of God, sin not: but he that is born of God keepeth himself, and that wicked toucheth him not.

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
The LORD is far from the ungodly; but he heareth the prayer of the righteous.
Jeremiah 15:12
Doth one iron hurt another, or one metal that cometh from the North, another?

We know

Mark 11:24
Therefore I say unto you, Whatsoever ye desire when ye pray, believe that ye shall have it and it shall be done unto you.
Luke 11:9
"And I say unto you, Ask, and it shall be given you. Seek, and ye shall find. Knock, and it shall be opened unto you.

General references

Psalm 20:4
Grant thee thy heart's desire, and fulfill all thy mind.
Isaiah 65:24
And it shall be, that before they call, I shall answer them. While they are yet but thinking how to speak, I shall hear them.
Matthew 21:22
And whatsoever thing ye shall ask in your prayers if ye believe, ye shall receive it."