Literature Reference: 怀瑾握瑜兮，穷不知所示。—— 《九章·怀沙》 Holding precious jade, yet poor and unable to show it. Source from 'Nine Songs: Huai Sha'.
瑜:
The radiance of jade, auspiciousness and well-being, grace and composure.
兮: Classical Chinese particle.
Meaning: Jade-like beauty symbolizes noble character and talent.