Dear ______ ,
You have written to us because you want to know more about ______ .
Thank you for your letter.
There are many ways to understand ______ .
It might be helpful to think of it as ______ . Or perhaps as ______ .
______ has written many interesting essays on the subject. Perhaps you can find them at your local library or online.
We recommend, however, that you do not dwell on this matter.
We hope this has been of assistance.
Please do not hesitate to contact us again.