Jaiminīya (Talavakāra) Brāhmaṇa 1.207

1.207

eṣa vāva sarvago yajño yadatirātraḥ
na vai rātryā ṛte'harna rātrirṛte'hnaḥ
naiṣāṃ lokānāmeka ekaḥ
ahorātre vā idaṃ sarvamime lokāḥ
bhūtaṃ bhavyaṃ prajanayataḥ
tadāhurna prathamaṃ yajamāno'tirātreṇa yajeteti
svaṃ ca hyatimanyate
dvau yajñakratū
brahma vā agniṣṭomaḥ
brahma vai brāhmaṇasya svam
agniṣṭomaṃ ca hyatimanyata ukthaṃ ca ṣoḍaśinam
tadu vā āhuragniṣṭomamātraṃ vāvāgniṣṭomenābhijayatyukthamātramukthena
ṣoḍaśimātraṃ ṣoḍaśinā rātryā tvāva sarvamavarunddha iti
sa yo haivaṃ vidvānekena yajñakratunā caturo yajñakratūnsaṃtanotyāsya catvāro virā
jayante sarveṣu paśuṣu pratitiṣṭhati

This Atirātra is indeed the all-reaching sacrifice.
For neither is day without night, nor night without day.
Not one alone of these worlds [exists].
Day and night are this all, these worlds;
they generate what was and what is to be.
Regarding this they say: "A sacrificer should not sacrifice with the Atirātra first,"
for he overlooks his own [domain],
two sacrificial rites.
Brahman is the Agniṣṭoma;
brahman is the Brahmin's own [domain].
For he overlooks the Agniṣṭoma, and the Ukthya, and the Ṣoḍaśin.
Concerning this they also say: "With the Agniṣṭoma one wins only as much as the Agniṣṭoma; with the Ukthya only as much as the Ukthya;
with the Ṣoḍaśin only as much as the Ṣoḍaśin; but with the night one secures everything."
He who, knowing thus, extends four sacrificial rites by means of one sacrificial rite, to him four heroes are born; he becomes established in all cattle.