“Yes,” he said. “I must see if I have the fever that goes with the cold.” Quickly he put the thermometer in his mouth, the mercury beneath the tongue, so that the instrument stuck slantingly upwards from his lips. He closed them firmly, that no air might get in. Then he looked at his wristwatch. It was six minutes after the half-hour. And he began to wait for the seven minutes to pass.
“Not a second too long,” he thought, “and not one too short. They can depend on me, in both directions. They needn’t give me a ‘silent sister,’ like that Ottilie Kneifer Settembrini told us of.” He walked about, pressing down the thermometer with his tongue.