In regard to this theory, "It is well to remember," says Tylor in his _Primitive Culture_, "that rash inferences which, on the strength of mere resemblances, derive episodes of myth from episodes of nature, must be regarded with utter distrust; for the student who has no more stringent criterion than this for his myths of sun and sky and dawn will find them wherever it pleases him to seek them." There is a danger of being carried away by false analogies. But all scholars agree that some tales are evidently myths of sun and dawn. If we examine the natural history of savages, we do find summer feasts, winter feasts, rituals of sorrow for the going of summer and of rejoicing for its return, anxious interest in the sun, interest in the motion of the heavenly bodies, the custom of naming men and women from the phenomena of nature, and interest in making love, making war, making fun, and making dinner. III. Fairy tales all arose in India, they are part of the common Aryan heritage and are to be traced by the remains of their language. They were first written in the _Vedas_, the sacred Sanskrit books of Buddhism. This theory is somewhat allied to the Sun-Myth Theory. This theory was followed by Max Müller and by Sir George Cox. The theory of a common source in India will not answer entirely for the origin of tales because many similar tales have existed in non-Aryan countries. Old tales were current in Egypt, 2000 B.C., and were brought from there by Crusaders, Mongol missionaries, the Hebrews, and Gypsies. The idea of connecting a number of disconnected stories, as we find in _Arabian Nights_, _The Canterbury Tales_, and the _Decameron_, is traced to the idea of making Buddha the central figure in the folk-literature of India. And Jacobs says that at least one-third of all the stories common to the children of Europe are derived from India, and by far the majority of the drolls. He also says that generally, so far as incidents are marvelous and of true fairy-like character, India is the probable source, because of the vitality of animism and transformation in India in all time. Moreover, as a people, the Hindus had spread among their numbers enough literary training and mental grip to invent plots.