"We know Adam was not the first man. Probably correct. We know of men who preceded Adam. Don't you? We know Eve was not fashioned from a rib. Correct. This is highly unlikely. We know that the formation of the universe does not conform to the 6 days of Creation. Probably correct. Because the speed of light is finite we can look back into the past. In fact in looking at the cosmos that is the only option that we have. We know that snakes do not talk." We know that snakes don't have what is necessary to talk. We know that they can't hear speech to be able to carry on conversations.
