page 63 of 960 of Sir Thomas Malory: Le Morte Darthur: The Definitive Original Text Edition

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Merlin warns of the Mordred prophecy (remember, Merlin knows past, present, and future – at least of those who have sin and secrets). Arthur hears a knight making “grete dole”. Balyn rides up and Arthur asks him to fetch the sad knight but this sad knight does not want to go to Arthur unless Balyn promises to be his warrant.