This fire is the honey of all beings, and all beings are the honey of this fire. Likewise this bright, immortal person in this fire, and that bright, immortal person, existing as speech in the body (both are madhu). He indeed is the same as that Self, that Immortal, that Brahman, that All.

In plain words: Fire and all beings nourish each other like honey. The bright, deathless presence in fire is the same as the presence in our speech. Both are the one Self, Brahman, the All.