Śatapatha Brāhmaṇa ("of a hundred paths") 2.3.4.30

2.3.4.30

sa naḥ piteva sūnave | agne sūpāyano bhava sacasvā naḥ svastaya iti yathā pitā putrāya sūpacaro naivainaṃ kena cana hinastyevaṃ naḥ sūpacara edhi maiva tvā kena cana hiṃsiṣmetyevaitadāha

'O Agni, be thou accessible unto us, even as a father is to his son! lead us unto well-being!'--whereby he says, 'As a father is easy of access to his son, and the latter in no wise injures him, so be thou easy of access to us, and may we in no wise injure thee!'