Skandapurana 3.2.40.65

3.2.40.65

Those excellent twice-born honored by Brahmā, Viṣṇu, and Śiva— / the Śūdras who turn away from them dwell in Raurava. / He who, out of greed, would abolish his family customs or lineage customs, / or who, thoroughly deluded, would ever fail to perform his own proper duties, / suffers complete ruin; it turns to ash that very moment. / Therefore, every family custom and local custom as well,