Hooberus: Why does he need to answer it without using the Bible?
Well that's the point. You can't.
When you're so indoctrinated that you don't even get that ...
The Bible is an obstacle to knowledge, not a source for it. The Bible offers the ignorant, limited world view of bronze and Iron Age agrarian people.
It's not exactly relevant for our 21st Century except perhaps for historical, anthropological perspective.