Matthew 21:22

"If you believe, you will receive whatever you ask for in prayer."

John 14:12-14

"I tell you the truth, anyone who has faith in me will do what I have been doing. He will do even greater things than these, because I am going to the Father. And I will do whatever you ask in my name, so that the Son may bring glory to the Father. You may ask me for anything in my name, and I will do it."

John 15:7

"If you remain in me and my words remain in you, ask whatever you wish, and it will be given you."

James 4:3

"When you ask, you do not receive, because you ask with wrong motives, that you may spend what you get on your pleasures."

1 John 5:14-15

"This is the confidence we have in approaching God: 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 what we asked of him."