11.   Quality is a serious and difficult business.

12.   Quality of care was also higher in Arizona than in a comparable traditional program.

13.   Secondary qualities of objects are those arrangements of its corpuscles which cause certain ideas in us as sentient beings.

14.   Some of the groups found that the sound quality was so poor as to make it difficult to listen to the recordings.

15.   The book is well written by the two authors and the reproduction quality is excellent.

16.   The quality of pork is often less variable than beef.

17.   The quality of service was vastly inferior in that other restaurant.

18.   The single defining quality of leaders is the capacity to create and realize a vision.

19.   Their quality of work is excellent and they offer good, sound advice.

20.   To my taste, none of these have a particularly distinctive flavour, but the quality in texture is immediately obvious.