And God said to Noah, this is the token of the covenant,.... Which is repeated for the greater confirmation and certainty of it, since the fears of men would be apt to run very high, especially while the flood was fresh in memory;which I have established between me and all flesh that is upon the earth: see Ge 9:9, it is highly probable, that from the rainbow being the token of the covenant between God and Noah, and the creatures, sprung the fable of the Chinese concerning their first emperor, Fohi, who seems to be the same with Noah, and whom they call the son of heaven, and say he had no father; which is this, that his mother, walking on the bank of a lake near Lanthien, in the province of Xensi, trod upon a large footstep of a man impressed upon the sand, and from thence, being surrounded with the rainbow, conceived and brought forth Fohi .
Martin. Sinic. Hist. p.