"The trouble with Borrowing another mind was, you always felt out of place when you got back to your own body, and Granny was the first person ever to read the mind of a building. Now she was feeling big and gritty and full of passages.
'Are you all right?'
Granny nodded, and opened her windows. She extended her east and west wings and tried to concentrate on the tiny cup held in her pillars."
— Terry Pratchett, Discworld: Equal Rites
I love the last one.. actually I love all of them. 
