Matthew 21:22
And whatever you ask for in your prayers will, if you have faith, be granted you."
John 11:42
I know that thou always headrest me; but I say this for the sake of the people standing near, so that they may believe that thou has sent me as thy Messenger."
John 16:23
And at that time you will not ask me anything; in truth I tell you, if you ask the Father for anything, he will grant it to you in my Name.
Romans 8:27-28
Yet he who searches all our hearts knows what the Spirit's meaning is, because the pleadings of the Spirit for Christ's People are in accordance with his will.
1 John 5:14-15
And this is the confidence with which we approach him, that whenever we ask anything that is in accordance with his will, he listens to us.