Without quite discontinuing his medical practice, he limits himself to serious cases--when other doctors are puzzled, you know, and want him to help them.

With this exception, he has certainly sacrificed his professional interests to his mania for experiments in chemistry.

What those experiments are, nobody knows but himself.

He keeps the key of his laboratory about him by day and by night.

When the place wants cleaning, he does the cleaning with his own hands." Carmina listened with great interest: "Has nobody peeped in at the windows ?" she asked.
"There are no windows--only a skylight in the roof." "Can't somebody get up on the roof, and look in through the skylight ?" Ovid laughed.