SB 11.16.12
Devanāgarī
हिरण्यगर्भो वेदानां मन्त्राणां प्रणवस्त्रिवृत् । अक्षराणामकारोऽस्मि पदानिच्छन्दसामहम् ॥ १२ ॥
Text
hiraṇyagarbho vedānāṁ mantrāṇāṁ praṇavas tri-vṛt akṣarāṇām a-kāro ’smi padāni cchandasām aham
Synonyms
hiraṇya-garbhaḥ—Lord Brahmā;vedānām—of theVedas;mantrāṇām—ofmantras;praṇavaḥ—theoṁkāra;tri-vṛt—consisting of three letters;akṣarāṇām—of letters;a-kāraḥ—the first letter,a;asmi—I am;padāni—the three-line Gāyatrīmantra;chandasām—among sacred meters;aham—I am.
Translation
Among the Vedas I am their original teacher, Lord Brahmā, and of all mantras I am the three-lettered oṁkāra. Among letters I am the first letter, “a,” and among sacred meters I am the Gāyatrī mantra.