Chandogya Upanishad 5.22

अथ खल्वेतयर्चा पच्छ आचामति तत्सवितुर्वृणीम इत्याचामति वयं देवस्य भोजनमित्याचामति श्रेष्ठँ सर्वधातममित्याचामति तुरं भगस्य धीमहीति सर्वं पिबति ॥ ७ ॥

5.2.7 — atha khalvetayarcha pachchha aachamati tatsaviturvrinima ityachamati vayam devasya bhojanamityachamati shreshthan sarvadhatamamityachamati turam bhagasya dhimahiti sarvam pibati || 7 ||

Then he eats with the following Rik verse at every foot: 'We choose that food'—here he swallows—'Of the divine Savitri (prâna)'—here he swallows—'The best and all-supporting food'— here he swallows — "We meditate on the speed of Bhaga (Savitri, prâna)'—here he drinks all.

तब इस ऋक् के प्रत्येक पद के साथ आचमन करे — 'तत्सवितुर्वृणीमहे' — यहाँ आचमन, 'वयं देवस्य भोजनम्' — यहाँ आचमन, 'श्रेष्ठं सर्वधातमम्' — यहाँ आचमन, 'तुरं भगस्य धीमहि' — यहाँ सारा पी ले।