despite all of the world's differences, there are really only two types of people: those who remain in Adam

This old adage has proven itself true time and time again. God gave the same promise to Jeremiah that He gave to Adam, Abraham, Moses, David and many others.

This means that the God who made covenant promises to Adam, Abraham, Moses, David and others is the same

The corruption spread, by God’s just judgment,  from Adam and Eve to all their descendants— except for

nature is part of the human condition, as part of our inheritance of original sin from the first human, Adam

need to not just change your behavior, but to change you very nature; you need to go from being in Adam

Sin became the master after the Fall of Adam and Eve in the garden.

it, that this attribute of God that gives us so much angst (after all, it was God's sovereignty that Adam

The Son of God became the Son of Man to save the sons and daughters of Adam.

Adam fell for it, and Satan had tried to get Jesus to give into it as well.