Dr. Steiner: “There you have the old amphibians and reptiles, that is where man in his outer shape is still like jelly; he is merely created amphibic.”

X.: “But there still is the fire breath!”

Dr. Steiner: “But these beasts do breathe fire, Archaeopteryx for example.”

X.: “So those animals seen in museums these days, they were still breathing fire?”

Dr. Steiner: “Yes, all those that belong to the dinosaurs, they belonged to the tertirary.”

Source: Rudolf Steiner, “Seminars with the teachers of the Free Waldorf Schools in Stuttgart”, 1919 bis 1924, GA300, page 87