This synonym for "splendor" often refers to high intelligence, or to the shine of a diamond
The diamond, shining in its light constantly, never says a word 
about its light... a... [DOC] [TLE] Biederman - Dictionary of Symbolism - Scribd [PAR] DICTIONARYOF SYMBOLISM Hans Biedermann Translated by James Hulbert e 
FactsOnFlle New York Oxford ... [DOC] [TLE] The Plaint of Nature - Internet History Sourcebooks [PAR] No base alloy of gold, derogate from high worth, and deceptive to the eye with 
false ...