The Manichæst, yin-yang (dualist), idea of existence, to which further reference will be made in the next chapter, finds its illustration in the dual life, real and imaginary, of all the peoples of the earth. They have both real histories and mythological histories. In the preceding chapter I have dealt briefly with the first—the life of reality—in China from the earliest times to the present day; the succeeding chapters are concerned with the second—the life of imagination.