Share 'Who are we?'

For my first discussion on this website, I thought I would skip the easy topics, and go way down the rabbit hole! In This life, this world, this universe...is all of this created for us? Is it all from the same source? Is there a God? If a God does exist, why do we call it "he"? How is it that there are so many different religions on this planet that think their right, to the point they will die…