Learn how to write a short notice resignation letter with this stepbystep guide, template and examples of formal resignation. Say "personal reasons" as a reason for quitting a job.I do not wish to explain in detail to my employer my reasons for leaving the job. Learn how to write a resignational letter if you're quitting for personal reasons. The resignation should be short and give the fact that you are resigning and the date (please give at least two weeks notice). Learn how to write a short notice resignation letter with samples. Find a solution to the challenge of resigning on short notice. Learn how to write a professional resignation letter with our step-by-step guide, easy to use templates and helpful tips. Simply write that you're leaving for "personal reasons" after stating your intent to resign and your last day of employment with the company. The letter includes a notice of resignation at least two weeks in advance.