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The enormous size of the Leviathan is described by R. Johanan, from whom proceeded nearly all the aggadot concerning this monster: " Once we went in a ship and saw a fish which put his head out of the water.
He had horns upon which was written: ' I am one of the meanest creatures that inhabit the sea.
I am three hundred miles in length, and enter this day into the jaws of the Leviathan '" ( B.
l. c.

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