Luther

The battle begins when men must decide which is the true Church. As long as we judge according to human words and understanding we cannot settle this quarrel, nor can we find the true Church, but we can reach certainty in the matter if we hear how Christ our Lord describes and portrays the Church. Here He christens and depicts her as the little company which loves Christ and keeps His Word (for thus is such love known and felt).—Sermon on Whitsunday, 1544

*The Holy Gospel for Whitsunday is John 14:23ff. Jesus answered him, “If anyone loves me, he will keep my word…”