Artie was preparing a persuasive presentation for his model…

Artie was preparing a persuasive presentation for his model airplane club. “This is gonna be great,” he told his friend, Maurice. “By the time I get done, they’re not only going to see the merits of moving to a bigger clubhouse, but they’re all gonna kick in $100 each to rent the moving supplies!” “Well…” Maurice cautioned, “I wouldn’t be so sure. It’s an airtight presentation, and you are a persuasive dude. But remember:” How should Maurice complete his thought?