I would like to emphasize the word ‘specifically’ in the first bullet point: many people write and say that they want to help you and that if you need anything, just ask them. The problem with that sentiment is that grieving is mentally very exhausting, because the family is trying to make sense of the new unique…

It depends on you and the receivers of the card. If the receivers are profound atheists, then I would not use the line. However, the line that you use “You are in my thoughts and prayers during this difficult time” shows that you think about them. That is the key part. If the receivers know that you are a follower of…