Bhagavatapurana 5.1.22

5.1.22

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manur api pareṇaivaṃ pratisandhita-manorathaḥ surarṣi-varānumatenātmajam akhila-dharā-maṇḍala-sthiti-guptaya āsthāpya svayam ati-viṣama-viṣaya-viṣa-jalāśayāśāyā upararāma //

22. Manu too, with the same wish inculcated into him by the four-faced Brahma and with the permission of the great divine sage, appointed his son as the protector of the world as made by Him and he turned away from the direction of the poisonous waters of the most troublesome worldly objects (from the householder's life).