Northanger Abbey by Jane Austen Chapter 3 Page 12

Now, here one can step out of doors and get a thing in five minutes.”

Mr. Tilney was polite enough to seem interested in what she said; and she kept him on the subject of muslins till the dancing recommenced. Catherine feared, as she listened to their discourse, that he indulged himself a little too much with the foibles of others. “What are you thinking of so earnestly?” said he, as they walked back to the ballroom; “not of your partner, I hope, for, by that shake of the head, your meditations are not satisfactory.”

Catherine coloured, and said, “I was not thinking of anything.”

“That is artful and deep, to be sure; but I had rather be told at once that you will not tell me.”