The Crow and the Serpent_英语寓言故事

a crow in great want of food saw a serpent asleep in a sunny
nook, and flying down, greedily seized him.
the serpent, turning
about, bit the crow with a mortal wound.
in the agony of death,
the bird exclaimed:
"o unhappy me! who have found in that which i
deemed a happy windfall the source of my destruction."