Adam Clarke's Commentary on the Bible - Genesis 9:13
I do set my bow in the cloud - On the origin and nature of the rainbow there had been a great variety of conjectures, till Anthony de Dominis, bishop of Spalatro, in a treatise of his published by Bartholus in 1611, partly suggested the true cause of this phenomenon, which was afterwards fully explained and demonstrated by Sir Isaac Newton. To enter into this subject here in detail would be improper; and therefore the less informed reader must have recourse to treatises on Optics for its... read more
John Gills Exposition of the Bible Commentary - Genesis 9:17
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 Genesis 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... read more