Wikipedia definition
1. The Once and Future KingThe Once and Future King is an Arthurian fantasy novel written by T. H. White. It was first published in 1958 and is mostly a composite of earlier works written in a period between 1938 and 1941. The title comes from the inscription that, according to Le Morte d'Arthur, was said by "many men" to be written upon King Arthur's tomb: the internally rhymed hexameter Hic iacet Arthurus, rex quondam, rexque futurus — "Here lies Arthur, king once, and king to be".
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