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 the Position You're Resigning From With An Effective Date.In the body of the letter, immediately state your intention to resign and provide your reasoning, including only positive feelings towards your work experience. I want to assure you of my gratitude for a rewarding professional association during my tenure with ABC Company. Second paragraph: You can explain why you're leaving in the second paragraph, but keep it brief and professional.