Skandapurana 17.16.22

17.16.22

avaśyaṃ kriya māṇeṣu svadharma upajāyate ..
dṛṣṭvā nadīṃ sāgaragāṃ snātvā pāpaiḥ pramucyate .. 22 ..

'When [these duties] are performed, one's own dharma arises inevitably: / having seen a river flowing to the ocean and having bathed, one is freed from sins;