Writing a resignation letter shows that you are willing to resign without personal conflict. Learn how to write a resignational letter if you're quitting for personal reasons.I am fortunate to have received a long awaited opportunity that I cannot pass up. This does not need to be complicated a short resignation letter is the way to go. Begin with a clear and concise statement that you are resigning from your position. It sounds like your personal reasons for resigning were listed in the letter.