What does your faith believe to be the blessings that were spoken of.
In particular the promises in the garden of Eden, Abraham and David
I believe that these are ancient myths from the Sumerians that were later hellenized by the Israelites around the third century BCE. There is not a shred of evidence that Abraham was a real person but there is a great deal of evidence that humanity did not start six thousand years ago in a garden of Eden.
To believe in a literal garden of Eden is deep roots of our homo-sapien heritage that goes back hundreds of thousands of years.
For example, here's the cave painting of Altamira. Using uranium-thorium dating we know it's around 20,000 years old: