PB, 2, 16, 4.0 etām eva purodhākāmāya kuryād brahma vai trivṛt kṣatram ekaviṃśo yat trivṛtaikaviṃśaṃ pratipadyate brahma tat kṣatrasya purastān nidadhāti gacchati purodhāṃ na purodhāyāś cyavate ya etayā stute //

PB, 4, 5, 8.0 trayaḥ purastāt trayaḥ parastād bhavanti //

PB, 5, 4, 1.0 prāṇena purastād āhavanīyam upatiṣṭhante prāṇam eva taj jayanti //

PB, 5, 9, 12.0 caturahe purastāt paurṇamāsyā dīkṣeran //

PB, 6, 10, 11.0 viśvā dadhāna ojasety ojasaivāsmai vīryeṇa viśaṃ purastāt parigṛhṇāty anapakrāmukāsmād viḍ bhavati //

PB, 7, 3, 27.0 gāyatraṃ purastād bhavati svāram antataḥ //

PB, 7, 3, 29.0 yad gāyatraṃ purastād bhavati svāram antataḥ prāṇair eva praity apāne pratitiṣṭhati //

PB, 8, 4, 10.0 kāleyaṃ purastād bhavati saṃhitam upariṣṭād etābhyāṃ hi tṛtīyasavanaṃ saṃtāyate //

PB, 10, 4, 6.0 triḥ purastād rathantaraṃ upayanti tryāvṛd vai vāk sarvām eva vācam avarudhya sarvam annādyaṃ dvādaśāhaṃ tanvate //

PB, 10, 4, 7.0 jāmi vā etad yajñe kriyata ity āhur yat triḥ purastād rathantaram upayantīti saubharam ukthānāṃ brahmasāma bhavati tenaiva tad ajāmi //

PB, 10, 9, 1.0 yad ṛcā prastauti tat prathamasyāhno rūpam svaravibhakter yat purastāt stobhaṃ tad dvitīyasya yad ubhayataḥ stobhaṃ tat tṛtīyasya yad anutunnaṃ tac caturthasya yad abhyārabdhaṃ tat pañcamasya yad ihakāreṇābhyastaṃ tat ṣaṣṭhasyāhno rūpam //

PB, 10, 12, 2.0 yasya padena prastauty atha svāram abhi vāva tena devāḥ paśūn apaśyan yat purastāt stobhaṃ atha svāram ud eva tenāsṛjanta yad ubhayataḥ stobham atha svāram ebhya eva tena lokebhyo devāḥ paśubhyo 'nnādyaṃ prāyacchan yad anutunnam atha svāram upaiva tenāśikṣan yasya madhye nidhanam atha svāraṃ garbhāṃs tenādadhata tān ihavatā svāreṇa prājanayan //

PB, 11, 11, 8.0 kṣatraṃ vā etad ahar abhinirvadati yat pañcadaśaṃ yad gāyatrīṣu brahmasāma bhavati brahma caiva tat kṣatraṃ ca sayujī karoti brahmaiva kṣatrasya purastān nidadhati brahmaṇe kṣatraṃ ca viśaṃ cānuge karoti //

PB, 15, 6, 3.0 āgneyyaindrīṣu stuvanti brahma caiva tat kṣatraṃ ca sayujīkaroti brahmaiva kṣatrasya purastān nidadhāti brāhmaṇe kṣatraṃ ca viśaṃ cānuge karoti //