I am more grateful to you than words can tell.

You have done your duty to me as few women could." The word "duty" offended her, yet she let it pass.

In his monstrous vanity it was often hopeless to make him appreciate the importance of anything or anybody outside of himself.

Of this the present occasion was an instance.
"You must forgive me my seeming thanklessness, Mademoiselle," he pursued.

"It was the company of that sans-culotte rascal that soured me.