Śatapatha Brāhmaṇa ("of a hundred paths") 8.2.3.13

8.2.3.13

viśvakarmā vaya iti | prajāparirvai viśvakarmā sa vayo 'bhavatparameṣṭhī canda ityāpo vai prajāpatiḥ parameṣṭhī tā hi parame sthāne tiṣṭhanti prajāpatireva parameṣṭhī cando 'bhavat

'The All-worker is vigour,'--the All-worker, doubtless, is Pragâpati: it is he that became vigour;--'the highest lord the metre,'--Pragâpati, the highest lord, doubtless, is the waters, for they (the waters of heaven) are in the highest place: Pragâpati, the highest lord, indeed became a metre.