Who said good writing is rewriting?

The quote "Good writing is rewriting" is most commonly attributed to Ernest Hemingway. While there's no definitive proof he actually said it, it's widely associated with his writing philosophy and is often used to summarize his approach to writing.

Hemingway was known for his rigorous editing process and believed in the importance of revising and refining his work to achieve clarity, conciseness, and impact.

It's important to note that other writers and editors have also echoed similar sentiments about the significance of rewriting, but Hemingway's name is the one most closely linked to this particular quote.