Ah, my friend, one may live in a big house and yet have no comfort. After which piece of moralizing, he resumed his search. 
He continued his search for comfort because it was not found in a large house. 
mnli hypothesis: He continued his search for comfort because it was not found in a large house.  premise: Ah, my friend, one may live in a big house and yet have no comfort. After which piece of moralizing, he resumed his search. 