At that moment he was plunged in the depth of an easy chair, being talked to by Mr. Vandernoodt, who apparently thought the acquaintance of such a bridegroom worth cultivating; and an incautious person might have supposed it safe to telegraph secrets in front of him, the common prejudice being that your quick observer is one whose eyes have quick movements. 
At that moment he was plunged in the depth of an easy chair, being talked to by Mr. Vandernoodt, and one might have thought it safe to telegraph secrets in front of that unmoving gaze. 