Śatapatha Brāhmaṇa ("of a hundred paths") 2.2.1.9

2.2.1.9

tasmādāhuḥ | etāmevāhutiṃ hutvāthottarāṇi havīṃṣi nādriyetaitayaiva taṃ kāmamāpnoti yamabhikāmamuttarāṇi havīṃṣi nirvapatīti tadu nirvapedevottarāṇi havīṃṣi paro 'kṣamiva vā etadyadadastadidamitīva

For this reason they say, 'When he has made that (full) offering, he need not attend to any further oblations; for by this offering he obtains that wish for which he takes out the subsequent oblations.' But let him nevertheless take out the subsequent oblations; for what invisible (blessing, or meaning) there was in that (full-offering) that now becomes thus (visible).