The Frog Prince

 or, Iron Henry (German: Der Froschkönig oder der eiserne Heinrich, literally "The Frog King; or, The Iron Heinrich") is a fairy tale, best known through the Brothers Grimm's written version; traditionally it is the first story in their collection.

Quotes

 * Open the door, my princess dear, Open the door to thy true love here! And mind the words that thou and I said By the fountain cool, in the greenwood shade.
 * "The Forg Prince" in Grimms’ Fairy Tales; in: Romani, ‎G B (1845). Evenings with the old story tellers, select tales from the Gesta Romanorum, p. 62