For it may be very plausibly urged on their behalf, that it is impossible to extinguish evil until the origin thereof has been discovered and destroy… - James Thomson

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For it may be very plausibly urged on their behalf, that it is impossible to extinguish evil until the origin thereof has been discovered and destroyed. This great river of human Time (rivers were expressly created to feed metaphors, allegories, and navigable canals) which comes flowing down thick with filth and blood from the immemorial past surely cannot be thoroughly cleansed by any purifying process applied to it here in the present for the pollution, if not in its very source (supposing it has a source), or deriving from unimaginable remotenesses of eternity indefinitely beyond its source, at any rate interfused with it countless ages back, and is perennial as the river itself. This immense poison-tree of Life, with its leaves of illusion, blossoms of delirium, apples of destruction, surely cannot be made wholesome and sweet by anything we may do to the branchlets and twigs on which, poor insects, we find ourselves crawling, or to the leaves and fruit on which we must fain feed; for the venom is drawn up in the sap by the taproots plunged in abysmal depths of the past. This toppling and sinking house wherein we dwell cannot be firmly re-established, save by re-establishing from its lowest foundation upwards.