To write a short notice resignation letter, include your position and effective date, explain your reason and express gratitude. Professional resignation letter examples for different reasons.Free templates and writing guide to resign on a positive note without feeling awkward. Learn how to write a resignational letter if you're quitting for personal reasons. It's time to quit the job, and you're not giving two weeks' notice. Here's how to politely write a resignation letter, effective immediately. We've prepared several resignation letter samples and templates for crafting a concise yet professional resignation letter. These top samples of resignation letters for personal reasons can be used as helpful templates when you are looking to resign due to personal circumstances.