1. Work through setbacks.

Although the loss of his early writings in the infamous “Lost Suitcase” incident devastated Hemingway, taking him months to recover, he eventually coped by the only thing left to do: writing.

2. Every writer has a good critique partner.

3. Know your audience.

4. Sooner or later, success will come.

5. Trust your instincts.

6. When you’ve got it, keep going…

7. but also take breaks.

8. Be authentic.

9. Haters gonna hate.

10. Writing is the best job.

Editor’s Note: For more on Hemingway’s letters, visit The Letters of Ernest Hemingway, Volume 2 (1923-1925).