I guess you think you’ve got him trapped or something, but he’s being perfectly consistent. Every proof ultimately resolves back to our perceptions, which are self-evident, unproven, and unprovable. Or have you figured out some proof for these? If so, that’s quite a feat given that no one prior to you has managed it.
I’m awful surprised anyone laying claim to a Biblical faith does this. Well, not surprised. Anybody can “claim” anything. But the Bible speaks of showing, demonstrating, proving. Deny this and still call yourself a Christian and I’ll laugh at you.
I really feel badly for all those people who know nothing can be proved...
... who are still struggling with the question of whether heavier than air human flight is possible, or whether nuclear fission is possbile, or whether or not wireless communication is possible ...
Since none of these things can be proved.
Ha ha ha ha!
Hank