Matthew 21:22
And all things whatsoever ye shall ask in prayer, believing, ye shall receive.
John 11:42
And I knew that thou always dost hear me: but for the sake of the multitude standing by I spake, that they may believe that thou hast sent me.
John 16:23
And in that hour ye shall ask me nothing. Verily, verily, I say unto you, That whatsoever things ye shall ask the Father in my name, he will give you.
Romans 8:27-28
Now he that trieth the hearts knoweth what is the mind of the Spirit, for he maketh intercession for the saints according to God's will.
1 John 5:14-15
And this is the confidence that we have towards him, that whatsoever we ask according to his will, he heareth us.