Briefly explain the reasons you've decided to leave, both related to your current job and to your new position. If you're planning to quit your job here is the compilation of the best resignation letter samples to help you easily draft your resignation letter.I am writing to formally notify you of my resignation from my position at PQR. Your letter of resignation should be short and professional. Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward. We've prepared several resignation letter samples and templates for crafting a concise yet professional resignation letter. In this article, we explore some reasons why you may need to resign a job before starting and how to write an effective letter of resignation in that situation. Giffords' friend Rep. Debbie Wasserman Schultz, D-Fla.