Among great sages I am Bhrigu; among words I am the single syllable. Among sacrifices I am the sacrifice of quiet repetition; among things that do not move, I am the Himalaya.
Explanation
Krishna continues telling Arjuna where his divine presence is most visible (vibhūti), by naming the best in each category. Bhrigu is a foremost ancient sage, and the "single syllable" (ekam akṣaram) is traditionally understood as Om. The sacrifice of repetition (japa-yajña) is the quiet, murmured or mental repeating of a sacred name or mantra, and the Himalaya stands for the greatest of immovable things.