I would like to express my sincere and heartfelt thanks for the wonderful and professional treatment received therein. Learn how to write an employee appreciation letter with these templates and examples.Download the template for free (PDF or Word). For example, you could say: "Your patience with me has meant I am now feeling stronger, and I am feeling much more hopeful about my recovery." "Thank you everyone for all you do to keep us safe! " "Thank you so much for everything you do to help others! Express gratitude with our ready-to-use templates. Sending thanks to a healthcare worker is hard. We've got 86 thank you messages for nurses and doctors so saying "appreciate you" is easy.