Writers, whether published or not, struggle to get published, and struggle mightily with rejection. It is good for authors to remember that even the best have suffered through multiple rejections. That list includes Ernest Hemingway, Stephen King, and J.K. Rowling.
Mental Floss Magazine has compiled a hilarious list. Click on the link to read seventeen of the most pathetic literary rejections from Louisa May Alcott to Kurt Vonnegut.