A little birdie told me...

Wonder about the origin of this expression? I got my information from an anonymous source.---"A little bird told me that you are going to ask her to marry you."---Bible: Ecclesiastes 10:20 "Curse not the king, no, not in thy thought; and curse not the rich in thy bed chamber; for a bird of the air shall carry the voice, and that which hath wings shall tell the matter."