Shatapatha Brahmana 1.6.1.21

1.6.1.21

sa ājyasyopastīrya | dvirhaviṣo 'vadāyāthopariṣṭādājyasyābhighārayati saiṣājyena miśrāhutirhūyate yajamānena haivaiṣaitanmiśrā hūyate yadi ha vā api dūre sanyajate yadyantike yathā haivānte sata iṣṭaṃ syādevaṃ haivaivaṃ viduṣa iṣṭam bhavati yadyu hāpi bahviva pāpaṃ karoti no haiva bahirdhā yajñādbhavati ya evametadveda

Having basted the havis with butter and made two cuttings from it, he pours some of the butter thereon: thus the oblation is offered combined with butter, and thereby indeed it is offered combined with the sacrificer; and for one who knows this,--whether he has a sacrifice performed for him while he is far away, or while he is near,--the sacrifice is performed in the same way as it would be performed if he were near; and he who knows this, even though he do much evil, is not shut out from the sacrifice.