1 John 5:15

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

Proverbs 15:29

The LORD is far from the wicked, but he hears the prayer of the righteous.

Jeremiah 15:12-13

Shall iron break the iron from the place of the north wind and the bronze?

Mark 11:24

Therefore I say unto you that everything that ye ask for, praying, believe that ye receive it, and it shall come upon 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 whoever is born of God does not sin; but he that is begotten of God keeps himself, and the wicked 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
The LORD is far from the wicked, but he hears the prayer of the righteous.
Jeremiah 15:12
Shall iron break the iron from the place of the north wind and the bronze?

We know

Mark 11:24
Therefore I say unto you that everything that ye ask for, praying, believe that ye receive it, and it shall come upon 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 according to thine heart and fulfil all thy counsel.
Isaiah 65:24
And it shall come to pass, that before they call, I will answer; and while they are yet speaking, I will hear.
Matthew 21:22
And all things, whatever ye shall ask in prayer, believing, ye shall receive.