He also said he's not sure that dinosaurs are even extinct.
I'm pretty dang sure...if there are any dinosaurs still alive today, I'll eat my hat.
He very clearly thinks he knows what he is talking about, but even a ten year old can come up with better logic than that and win an argument against that. If an atheist asks him why he believes this is true, and he seriously says, "Cause the Bible says so and it's never wrong!" he probably will first of all, get laughed at, and second, won't be able to prove
why he believes the Bible is never wrong.