Who am I

You've seen and yet don't believe, who am I, but of what my miracles testify,
You act as if I try to defy the Words I spoke forth when you weren't even alive,
Who can do what I do and not be from the Father?
You attempt to understand but you shouldn't even bother,
You're ears and eyes have been shut so this Prophet would be slaughtered.
You teachers of false law, you're gonners.

How great was your father Abraham?
Well, before I created Abraham, I AM