अपरे नियताहाराः प्राणान्प्राणेषु जुह्वति।
सर्वेऽप्येते यज्ञविदो यज्ञक्षपितकल्मषाः।।4.30।।
4.30 Others, having their food regulated, offer the vital forces in the vital forces. All of them are knowers of the sacrifice and have their sins destroyed by sacrifice.
4.30 Others who regulate their diet offer life-breaths in life-breaths. All these are knowers of sacrifice, whose sins are destroyed by sacrifice.
4.29. - 4.30. [Some sages] offer the prana into the apana; like-wise others offer the apana into the prana. Having controlled both the courses of the prana and apana, the same sages, with their desire fulfilled by the above activities, and with their food restricted, offer the pranas into pranas. All these persons know what sacrifices are and have their sins destroyed by sacrifices.
Apare niyataahaaraah praanaan praaneshu juhwati; Sarve’pyete yajnavido yajnakshapita kalmashaah.
apāne—the incoming breath; juhvati—offer; prāṇam—the outgoing breath; prāṇe—in the outgoing breath; apānam—incoming breath; tathā—also; apare—others; prāṇa—of the outgoing breath; apāna—and the incoming breath; gatī—movement; ruddhvā—blocking; prāṇa-āyāma—control of breath; parāyaṇāḥ—wholly devoted; apare—others; niyata—having controlled; āhārāḥ—food intake; prāṇān—life-breaths; prāṇeṣhu—life-energy; juhvati—sacrifice; sarve—all; api—also; ete—these; yajña-vidaḥ—knowers of sacrifices; yajña-kṣhapita—being cleansed by performances of sacrifices; kalmaṣhāḥ—of impurities