Starts with the creation of the world and tells stories of the first people and big floods. It also talks about Abraham's family and their journeys.
And the LORD said, My spirit shall not always strive with man, for that he also is flesh: yet his days shall be an hundred and twenty years.
God said, "My Spirit won't keep fighting with people forever, because they are just like us and mortal. Still, they will live for about 120 years."