Oysters open completely when the moon is full; and when the crab sees one it throws a piece of stone or seaweed into it and the oyster cannot close again so that it serves the crab for meat. Such is the fate of him who opens his mouth too much and thereby puts himself at the mercy of the listener.
Leonardo da VinciNothing will be left, Nothing in the air, nothing under the earth, nothing in the waters. All will be exterminated.
Leonardo da VinciOld age takes in part savoury wisdom for its food - see to that your old age will not lack in nourishment.
Leonardo da Vinci