Milagres...

"Since then, as an economics professor (some would say a mathematician gone bad), I have been impressed by how often the same thing happens in the public policy arena. Someone desperate to demonstrate their position, but stymied by a gap in their argument, invokes a 'then a miracle occurs' step, from which their supposed 'proof' can continue."

Gary Galles, "And Then a Miracle Occurs"

(via Mises Institute)