Writing a condolence message is never easy. We've compiled a few expert tips and provided several sympathy note ideas to use in any scenario here.Be sincere and express your feelings of sympathy. Writing a condolence message is an emotional task. Here's tips and examples of how to sign a sympathy card for coworkers, friends, and more. "I'm sorry for your loss. We are so sorry for your loss. You have our most heartfelt sympathy and are in our thoughts and prayers. I'm so incredibly sorry for the loss of your husband and father. Please know that he will live on in all of our fond memories.