Mahabharata 1.220.22

मन्दपाल उवाच · mandapāla uvāca

त्वमग्ने सर्वदेवानां मुखं त्वमसि हव्यवाट्त्वमन्तः सर्वभूतानां गूढश्चरसि पावक

tvamagne sarvadevānāṃ mukhaṃ tvamasi havyavāṭtvamantaḥ sarvabhūtānāṃ gūḍhaścarasi pāvaka

Our plain-language meaning of this verse is waiting for scholar review.