Read it through once
These words of Isabel’s were not perfectly sincere, for she had no doubt whatever that he himself was. They were simply a tribute to the fact, of which she was perfectly aware, that those he had just uttered would have excited surprise on the part of a vulgar world. And, moreover, if anything beside the sense she had already acquired that Lord Warburton was not a loose thinker had been needed to convince her, the tone in which he replied would quite have served the purpose.