CONTROL YOUR VOCAL CAVITY

“Oyster
opens when the moon is full; and when the crab

sees one, it throws a piece of
stone or seaweed into it and the system 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 Vinci

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