"You can't convince a believer of anything; for their belief is not based on evidence, it's based on a deep seated need to believe."

Carl Sagan

"It is useless to attempt to reason a man out of a thing he was never reasoned into."

Jonathan Swift

"It's easier to fool someone than to convince them they've been fooled".

Mark Twain

That just about sums up Geoff's "products"