The best of both worlds

Can anybody tell where this phrase come from?
"the best of both worlds"
thans a lot!!!
martin

To start off this discussion...a related phrase:
BEST OF ALL POSSIBLE WORLDS, THE - "The optimal condition, quite often as it is seen by an optimist like Dr. Pangloss in Voltaire's 'Candide' : "in this best of all possible worlds.all is for the best.' A bit of sport is had with the term in James Branch Cabell's 'The Silver Stallion' : 'The optimist proclaims that we live in the best of all possible worlds; the pessimist fears this is true.'" The Dictionary of Cliches by James Rogers (Ballantine Books, New York, 1985).