Three Hundred Æsop's Fables/The Hen and the Swallow
THE HEN AND THE SWALLOW.
A Hen finding the eggs of a viper, and carefully keeping them warm, nourished them into life. A Swallow observing what she had done, said, "You silly creature! why have you hatched these vipers, which, when they shall have grown, will inflict injury on all, beginning with yourself?"