Śatapatha Brāhmaṇa ("of a hundred paths") 11.2.7.2

11.2.7.2

ṛtava ṛtvijaḥ sa yo ha vā ṛtava ṛtvija iti vedānte haivāsyartūnāmiṣṭam bhavatyatho yatkiṃ cartuṣu kriyate sarvaṃ haivāsya tadāptamavaruddhamabhijitam bhavati

The officiating priests are the seasons; and, verily, sacrifice is offered at the end of the seasons of him whoso knows that the officiating priests are the seasons; and all that is done in the seasons comes to be gained, secured, and won for him.