People
In writing biography, fact and fiction shouldn't be mixed. And if they are, the fiction parts should be printed in red ink, the fact parts in black ink.
— Catherine Drinker Bowen
Behind the line May contain spoilers.
Our reading
An editorial interpretation.
This is a plea for honesty in life-writing: don't blend invented material with documented fact, and if you must, mark the made-up parts in red and the true parts in black. It's a witty way of demanding readers can always tell which is which.
Context reviewed