Here’s her ‘final word’ from her Paris Review interview of 1992:
The best training is to read and write, no matter what. Don’t live with a lover or roommate who doesn’t respect your work. Don’t lie, buy time, borrow to buy time. Write what will stop your breath if you don’t write.
You can read the rest of the interview here: http://www.theparisreview.org/viewinterview.php/prmMID/2028