“Lupin is at the bottom of this affair,” he said to the judge.

“Bah!” exclaimed the judge, “you have Lupin on the brain. You see him everywhere.”

“I see him everywhere, because he is everywhere.”

“Say rather that you see him every time you encounter something you cannot explain. Besides, you overlook the fact that the crime was committed at twenty minutes past eleven in the evening, as is shown by the clock, while the nocturnal visit, mentioned by the concierge, occurred at three o’clock in the morning.”