Jñāneśvarī (commentary on the Bhagavadgītā) 10.76

10.76

to pāṣāṇāmāji parisu |
rasāṃmājī siddharasu |
taisā manuṣyākṛti aṃśu |
to mājhāci jāṇa ||

is like a touchstone among stones,
or the elixir of life among liquids;
know him, though in human form,
to be an portion of myself alone.