Taittiriya Upanishad · Chapter 3.10

na kañcana vasatau pratyācakṣīta / tadavratam / tasmādyayā kayā ca vidhayā bahvannaṃ prāpnuyāt / arādhyasmā annamityācakṣate / etadvai mukhato 'naṃ rāddham / mukhato 'smā annaṃ rādhyate / etadvai madhyato 'naṃ rāddham / madhyato 'smā annaṃ rādhyate / edadvai antato 'nnaṃ rāddham / antato 'smā annaṃ rādhyate //

kṣema iti vāci / yogakṣema iti prāṇāpānayoḥ / karmeti hastayoḥ / gatiriti pādayoḥ / vimuktiriti pāyau / iti mānuṣīḥ samājñāḥ / atha daivīḥ / tṛptiriti vṛṣṭau / balamiti vidyuti //

yaśa iti paśuṣu / jyotiriti nakṣatreṣu / prajātiramṛtamānanda ityupasthe / sarvamityākāśe / tatpratiṣṭhetyupāsīta / pratiṣṭhāvān bhavati / tanmaha ityupāsīta / mahānbhavati / tanmana ityupāsīta / mānavānbhavati //

tannama ityupāsīta / namyante 'smai kāmāḥ / tadabrahmetyupāsīta / brahmavānbhavati / tadabrahmaṇaḥ parimara ityupāsīta / paryeṇaṃ mriyante dviṣantaḥ sapatnāḥ / pari ye 'priyā bhrātṛvyāḥ / sa yaścāyaṃ puruṣe / yaścāsāvāditye / sa ekaḥ //

sa ya evaṃvit / asmāllokātpretya / etamannamayamātmānamupasaṅkramya /etaṃ prāṇamayamātmānamupasaṅkramya / etaṃ manomayamātmānamupasaṅkramya / etaṃ vijñānamayamātmānamupasaṅkramya / etamānandamayamātmānamupasaṅkramya / imāṃllokankāmānnī kāmarūpyanusañcaran / etat sāma gāyannāste / hā3vu hā3vu hā3vu //

ahamannamahamannamahamannam / ahamannādo3 'hamannādo3 'hamannādaḥ / ahaṃ ślokakṛdahaṃ ślokakṛdahaṃ ślokakṛt / ahamasmi prathamajā ṛtā3sya / pūrvaṃ devebhyo 'mṛtasya nā3bhāyi / yo mā dadāti sa ideva mā3vāḥ / ahamannamannamadantamā3dmi / ahaṃ viśvaṃ bhuvanamabhyabhavā3m / suvarna jyotiḥ / ya evaṃ veda / ityupaniṣat //