Sometimes a flash of hope gave him the look of a monomaniac; at other times impatient anger at not seizing a secret which flitted before his eyes like a will o' the wisp brought symptoms of madness into his face; or sudden bursts of maniacal laughter betrayed his irrationality: but during the greater part of the time, he was sunk in a state of complete depression which combined all the phases of insanity in the cold melancholy of an idiot.

However fleeting and imperceptible these symptoms may have been to the eye of strangers, they were, unfortunately, only too plain to those who had known Balthazar Claes sublime in goodness, noble in heart, stately in person,--a Claes of whom, alas, scarcely a vestige now remained.
Lemulquinier, grown old and wasted like his master with incessant toil, had not, like him, been subjected to the ravages of thought.

The expression of the old valet's face showed a singular mixture of anxiety and admiration for his master which might easily have misled an onlooker.

Though he listened to Balthazar's words with respect, and followed his every movement with tender solicitude, he took charge of the servant of science very much as a mother takes care of her child, and even seemed to protect him, because in the vulgar details of life, to which Balthazar gave no thought, he actually did protect him.

These old men, wrapped in one idea, confident of the reality of their hope, stirred by the same breath, the one representing the shell, the other the soul of their mutual existence, formed a spectacle at once tender and distressing.
When Marguerite and Monsieur Conyncks arrived, they found Claes living at an inn.