How to say something kind without asking for anything in return?

Specific reply polite terms are as follows:

Thank you for taking time out of your busy schedule to attend our funeral, and for your concern and support.

2. Thank you for your sympathy and condolences. We feel very warm and grateful.

Thank you for your sympathy and help, which made us feel a concern and support at this sad moment.

Thank you for your understanding and support. We will be strong and cherish every moment of our lives.

Thank you for your sympathy and concern. We will cherish this feeling and keep in touch.