The youngest little pig didn’t feel like working and, to keep himself warm, he made a house of straw; the middle little pig worked a little harder and made a house of wood; the eldest worked very hard to build a house of bricks and when the wolf came and blew and blew… The three animals symbolize the evolution and progress of man, from an immature state to that of who knows how to face up to conflicts intelligently, allowing the child to come up with his or her own conclusions.
