Leaving a job isn't easy. 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.Please accept this letter as a notice of my resignation. State that you wish to quit and include your final day of work. Please accept this letter as a notice of my resignation. This does not need to be complicated a short resignation letter is the way to go. A simple resignation letter format includes a resignation statement, an appropriate notice period, and an expression of gratitude.