peter's heart was so glad that he felt he must sing all day long, just as the birds sing for joy, but, being partly human, he needed in instrument, so he made a pipe of reeds, and he used to sit by the shore of the island of an evening, practising the sough of the wind and the ripple of the water, and catching handfuls of the shine of the moon, and he put them all in his pipe and played them so beautifully that even the birds were deceived, and they would say to each other, " was that a fish leaping in the water or was it peter playing leaping fish on his pipe? "