Matthew 21:22
And all things whatsoever ye shall ask in prayer, believing, ye shall receive.
John 11:42
Father, I thank thee, that thou hast heard me. And I knew that thou hearest me always: but I spake this, because of the people who stand by, that they may believe thou hast sent me.
John 16:23
And in that day ye shall not question me about any thing. Verily, verily I say unto you, Whatsoever ye shall ask the Father in my name, he will give you.
Romans 8:27-28
But he who searcheth the hearts, knoweth what is the mind of the Spirit: for he maketh intercession for the saints, according to God.
1 John 5:14-15
And this is the confidence which we have in him, that if we ask any thing according to his will, he heareth us.