@d0154568 I guess not. He says he thinks he has seen it, but only in passing — never wondered what the point was. 

 @d0154568 @bb052609 Years ago someone on an email list I was on had as his signature file, "Sphinx of black quartz, judge my vow" and probably 10 years later I learned it was another pangram. I had just thought it was a cool sentence. 

 @69d23e66 @d0154568 It is a cool sentence. 

 @d0154568 He thinks he had seen it in passing, but never much thought about what it meant or why it was there.