The Dove and the Ant_英语寓言故事

an ant, going to a river to drink, fell in, and was carried along in
the stream. a dove pitied her condition, and threw into the river a
small bough, by means of which the ant gained the shore. the ant
afterward, seeing a man with a fowling-piece aiming at the dove, stung
him in the foot sharply, and made him miss his aim, and so saved the
dove's life.

"little friends may prove great friends."