Bhagavad Gita 10.25
महर्षीणां भृगुरहं गिरामस्म्येकमक्षरम्। यज्ञानां जपयज्ञोऽस्मि स्थावराणां हिमालयः।।10.25।।
maharṣīṇāṃ bhṛgurahaṃ girāmasmyekamakṣaram| yajñānāṃ japayajño'smi sthāvarāṇāṃ himālayaḥ||10.25||
maharshinam bhriguraham giramasmyekamaksharam yajnanam japayajno'smi sthavaranam himalayah10.25
Meaning
Among the great sages, He is Bhrigu; among words, He is the single syllable Om; among sacrifices, He is the chanting of the holy names; and among immovable things, He is the Himalayas.
मैं महर्षियों में भृगु और वाणी में एकाक्षर ओंकार हूँ। मैं यज्ञों में जपयज्ञ और स्थावरों में हिमालय हूँ।
This is verse 25 of 42 in Chapter 10 (Vibhooti Yoga) of the Bhagavad Gita.