John Gills Exposition of the Bible Commentary - Genesis 9:12
And God said, this is the token of the covenant which I make between me and you ,.... Meaning the bow in the cloud, and which might be formed in the cloud at this time, that Noah might see it, and know it when he saw it again, and seems to be pointed unto: "this is the token"; or sign of the covenant made between God and Noah, and his sons: and every living creature that is with you, for perpetual generations ; which more clearly shows and proves, that this covenant reaches to all... read more
Matthew Henry's Complete Commentary - Genesis 9:12-17
Articles of agreement among men are usually sealed, that the covenants may be the more solemn, and the performances of the covenants the more sure, to mutual satisfaction. God therefore, being willing more abundantly to show to the heirs of promise the immutability of his councils, has confirmed his covenant by a seal (Heb. 6:17), which makes the foundations we build on stand sure, 2 Tim. 2:19. The seal of this covenant of nature was natural enough; it was the rainbow, which, it is likely, was... read more