Leaving a job isn't easy. A short resignation letter is the way to go.Include your name, position, the date of resignation and the intended last day of work in the first paragraph. Introduction. Resigning from your job is a big decision. You may opt to resign for medical reasons, for a better job, or for personal reasons. In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own. State that you wish to quit and include your final day of work. In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own. I have decided to resign due to personal reasons that require my immediate attention. ABC15 also received a copy of radio traffic of Rine apparently committing to writing a resignation letter.