Bhartrihari NitishatakaUpajati
सम्पूर्णकुम्भो न करोति शब्दं अर्धो घटो घोषमुपैति नूनम् । विद्वान् कुलीनो न करोति गर्वं गुणैर्विहीना बहु जल्पयन्ति ॥
A fully-filled pot makes no noise; the half-filled one surely rattles loudly. The well-born scholar shows no pride — but those devoid of quality babble on and on.
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humilitypridewisdomhalf-knowledge