Ponder deep wisdom, dark or clear, Each secret fishy hope or...

Ponder deep wisdom, dark or clear, Each secret fishy hope or fear. Fish say, they have their Stream and Pond; But is there anything Beyond? This life cannot be All, they swear, For how unpleasant, if it were! One may not doubt that, somehow, Good Shall come of Water and of Mud; And, sure, the reverent eye must see A Purpose in Liquidity.