Verse 11.5.3.11

śauceyo jñaptaḥ prakṣyāmi tveva bhagavantamiti pṛcaiva prācīnayogyeti sa hovāca yatra ta etasminneva kāle sarve'gnayo'nugaceyurvettha tadbhayaṃ yadatra juhvato bhavatīti vedeti hovāca purā cirādasyādāyādaṃ kulaṃ syādyasyaitadaviditaṃ syādvidyābhistvevāhamatāriṣamiti kiṃ viditaṃ kā prāyaścittiriti purā cirādagnim mathitvā yāṃ diśaṃ vāto vāyāttāṃ diśamāhavanīyamuddhṛtya vāyavyāmāhutiṃ juhuyāṃ sa vidyāṃ samṛddham me'gnihotraṃ sarvadevatyaṃ vāyuṃ hyeva sarvāṇi bhūtānyapiyanti vāyoḥ punarvisṛjyante saiva prāyaścittirna tadāgaḥ kurvīyetyetannau bhagavantsaheti hovāca

Preview of English translation:

11. Shauceya, thus instructed, said, “I would yet ask thee a question, reverend sir.”—“Ask, then, Pracinayogya!” he replied. He said, “If, at that very time, all the fires were to go out, dost thou know what danger there is in that case for him who offers?”—“I know it,” he replied; 'before long the family would be without heirs in the case of him who would not know this; but by dint of knowledge I myself have prevailed.'—“What is that knowledge, and what the atonement?” he asked.—“Having, without delay, churned out fire, and taken out an offering-fire in whatever direction the wind might be blowing, I would perform an offering to Vayu (the wind): I would then know that my Agnihotra would be successful, belonging as it would to all deities; for all beings, indeed, pass over into the wind, and from out of the wind they are again produced. This would be the atonement, and I should not be committing that sin.”—“This much, then, reverend sir, we two (know) in common,” said (Shauceya).

For a detailled translation, including proper diacritics and footnotes, go the full English translation.