And the word of the Lord came to Isaiah, saying, “Go and tell Hezekiah, ‘Thus says the Lord, the God of David your father: “I have heard your prayer, I have seen your tears; surely I will add to your days fifteen years.

I called on the Lord in distress;
The Lord answered me and set me in a broad place.
The Lord is on my side;
I will not fear.
What can man do to me?

And the Lord restored Job’s losses when he prayed for his friends. Indeed the Lord gave Job twice as much as he had before.

Now Isaac pleaded with the Lord for his wife, because she was barren; and the Lord granted his plea, and Rebekah his wife conceived.

Now this is the confidence that we have in Him, that if we ask anything according to His will, He hears us. And if we know that He hears us, whatever we ask, we know that we have the petitions that we have asked of Him.