ἐπιγνώσεσθε [4 verses](2nd pl fut ind mid) "Ye shall know" is epiginosko, which means "look upon," "witness," "observe," "recognize," "find out," "discover," "learn to know," "take notice of," "come to a judgment," "decide," "acknowledge," and "approve." -- The word means literally, "on learning to know" or "by learning to know." Generally, it means "to witness" or "to discover." Literally, it means "learning from." Jesus uses it to mean "recognize" in the sense of "identify" not "reward."