"No, a certainty."

"A moral certainty, perhaps, but you'll admit there's not the slightest proof."

The deputy did not wait for a reply. He considered that he had displayed an excessive goodwill and that patience has its limits and he put an end to the interview:

"Not the slightest proof," he repeated, taking up his hat. "And, above all, ... above all, there's nothing in what you've said that can contradict in the very least the evidence of that relentless witness, the snow. To go to his father, Mathias de Gorne must have left this house. Which way did he go?"

"Hang it all, M. Vignal told you: by the road which leads from here to his father's!"

"There are no tracks in the snow."

"Yes, there are."

"But they show him coming here and not going away from here."

"It's the same thing."

"What?"