Agniveshyagrihyasutra 2.4.11.18

2.4.11.18

evaṃ saṃvatsarasyārkavāreṣu pūjāṃ kṛtvā brāhmaṇān bhojayitvā āyuṣkāmī dīrghamāyuravāpnuyāt \

Having performed the worship thus on the Sundays of a year and fed Brahmins, one who desires long life attains a long life;