Charles was threatened with apoplexy. This blow was severe. 'Whom can I trust,' he asked, plaintively, 'when the detectives themselves, whom I employ to guard me, turn out to be swindlers? Don't you remember that line in the Latin grammar—something about, "Who shall watch the watchers?" I think it used to run, "Quis custodes custodiet ipsos?"'

But I felt this episode had at least disproved my suspicions of poor Césarine.