I think I would have been one of the ones who had a little trouble with the manna gathering. Most of the people of Israel did quite well at gathering up each day just what they needed for that day. But some of the Israelites tried to gather up extra. I don’t blame them.
Perhaps the best way to wrap the Bible up, in a nutshell, would be to explain it in a chiasm. God is with us. We sin. Jesus came. Our sins are forgiven. God is with us.