It chanced, however, that Adela had reason to feel discontented.

It was a breach of implied contract, she thought, that Cornelia should, as she did only yesterday, tell her that she had seen Edward Buxley in the woods, and that she was of opinion that the air of the woods was bad for her.

Not to see would have been the sisterly obligation, in Adela's idea--especially when seeing embraced things that no loving sister should believe.
Bear in mind that we are sentimentalists.

The eye is our servant, not our master; and--so are the senses generally.

We are not bound to accept more than we choose from them.