"I can write for any magazine now, in any voice. I can do it in two hours, I could do it in my sleep, it's like writing a grocery list"

Ann Patchett's quote speaks with the self-confidence and ability she has actually established as an author. She is proud of her ability to write for any publication in any voice, and to do it quickly and easily. She is so confident in her writing ability that she could do it in her sleep, comparing it to composing a grocery list. This quote shows that Ann Patchett has a lot of experience and know-how in composing, and that she is comfy with her ability to compose for any publication in any voice. It also talks to the importance of practice and experience in establishing an ability. Ann Patchett has actually plainly put in the time and effort to refine her writing abilities, and her quote shows her pride in her achievements.