Characters
No thinking - that comes later. You must write your first draft with your heart. You rewrite with your head. The first key to writing is... to write, not to think!
— Forrester · Finding Forrester

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
Writing begins by simply putting words down, without stopping to analyse. The first draft should come from feeling, and judgment belongs to revision. The speaker insists the first requirement is the act of writing itself, so overthinking early only blocks the work.
Context reviewed