Bhagavatapurana 5.26.29

5.26.29

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atha ca yas tv iha vā ātma-sambhāvanena svayam adhamo janma-tapo-vidyācāra-varṇāśramavato varīyaso na bahu manyeta sa mṛtaka eva mṛtvā kṣārakardame niraye 'vāk-śirā nipātito durantā yātanā hy aśnute //

30. Again he who being the worst creature flatters himself as possessed of high worth and does not duly honour those that are really great by birth, by learning, by conduct, by caste and order of life, is truly a dead man (while alive); and after death he is thrown headforemost into a hell of brinish mire to undergo endless torments.