On Mar 30, 2012, at 1:39 AM, 118 <ununoctiums at gmail.com> wrote: >>> Mark: >>> This is why I asked if you had a different way for presenting Quality, which starts with the premise that DQ and sq cannot be distinguished. It is an honest question. >> >> Marsha: >> I think the mirage analogy works well. > > Mark: > Me too. Great! Marsha