I’m reading this book by Mike Williams in which he states, if I understand him correctly, that God’s promise never to destroy the earth again by a flood was a promise to all men, everywhere, for all time. He uses this to construct an argument that the Cross was at least an equal promise. I am curious to see if you folks think this is a logical argument. It sounds good to me. 
No Comments? 
Well the rainbow is seen over the son of mans head in EZEKIEL and REV. The rainbow is a portion of the whole which is Christ that is the covenant that all others flow from. The lamb was slain before the foundation of the kosmos. That was the promise to all and was manifested 2000 years ago on the cross. The covenant written on our hearts is his life. The rainbow points to that.