[Gin 'n Tonic]

[ QUOTE ]
I think the point is that David seems to be debating logically against people whose beliefs don't rely on logic.

[/ QUOTE ]

Or - in the words of St. Thomas Aquinas "To one who has faith, no explanation is necessary. To one without faith, no explanation is possible."

The words 'faith' and 'belief' tend to indicate a position that is not amenable to logical arguement.