• I work at a small, but rapidly growing custom slip-cast studio. The first few years were a learning curve gauntlet that, in retrospect, I am surprised we exited intact. This preface is to give a sense of how in debt I am to your research and hard work. I have had to learn as I go along, and the information you provide at digitalfire.com has been indispensable, and, quite frankly, an excellent cover for my ignorance on countless occasions! It is also the only source of information about many ceramics topics that I feel I can trust, knowing that it has been backed up with careful consideration and testing. Thank you again.

• I am eternally indebted to you for all that you have done to advance the technical abilities of non-industrial pottery! I love using Insight.

• Thank you very much for publishing digitalfire.com - it's a wonderful resource and I've enormous respect for the enormous dedication you've put into it over the last 3 decades - thank you very much!

• Thank you so much for all your written out knowledge on materials. I'm the manager of our art school program, where we make our own clay and glazes. Your articles have helped me endlessly.

• I am a Brazilian potter and, despite my difficulty with the English language, I have learned a lot from this site. I want to thank you very much for the immense help you give me in the "most difficult times".