1 John 5:15

15Andκαὶifἐὰνwe knowοἴδαμενthatὅτιHe hearsἀκούειusἡμῶνwhateverὃifἐὰνwe might askαἰτώμεθα,we knowοἴδαμενthatὅτιwe haveἔχομενtheτὰrequestsαἰτήματαthatἃwe have askedᾐτήκαμενfromἀπ’Himαὐτοῦ.

And if we know that He hears us, whatever we may ask, we know that we have the requests that we have asked from Him.