The art of awareness, clarity, and virtue in all life.
Except when referring to a spherical or nearly spherical pearl of 100 grains or more, it isn't a shape.
DawnType your answer here...
"She is a paragon of reading." is a sentence, yes. You will notice that it has a subject ("she") and a predicate ("is a paragon of reading")
師表 /shi hyou/ means paragon in sense of 'idol, perfect example'.