Śatapatha Brāhmaṇa ("of a hundred paths") 2.5.1.22

2.5.1.22

etena vai prajāpatiḥ yajñeneṣṭvā | yeyam prajāpateḥ prajāpatiryā śrīretadbabhūvaitāṃ ha vai prajātim prajāyata etāṃ śriyaṃ gacati ya evaṃ vidvānetena yajñena yajate tasmādvā etena yajeta

And what race, what prosperity accrued to Pragâpati from his offering this sacrifice, that same race he produces, that same prosperity he attains whosoever, knowing this, offers this sacrifice: let him therefore perform this sacrifice.