yathā caturbhiḥ kanakaṁ parīkṣyate
yathā caturbhiḥ kanakaṁ parīkṣyate
nigharṣaṇa-cchedana-tāpa-tāḍanaiḥ |
tathā caturbhiḥ puruṣaḥ parīkṣyate
tyāgena śīlena guṇena karmaṇā ||
(Cāṇakya-nīti-darpaṇa)
“As gold is to be examined in four ways—by rubbing, cutting, heating, and hitting, so a person is to be examined in four respects: renunciation, character, qualities, and actions.”