वाच्येके जुह्वति प्राणं प्राणे वाचं च सर्वदा । वाचि प्राणे च पश्यन्तो यज्ञनिर्वृत्तिमक्षयाम् ॥ २३ ॥
Knowing that the (performance of the) sacrifice in their speech and their breath yields imperishable (rewards), some always offer their breath in their speech, and their speech in their breath.