Maybe the burning bush was burning all the time and Moses didn't notice. Maybe the miracle is when you stop and pay attention.
Divine peace has an inner and outer manifestation. Exteriorly, it manifests as fire, as zeal, as transformation, as death and rebirth. Interiorly, it manifests as silence, as knowledge, as joy, as union with the Beloved: a joy of union that is capable of communicating itself to others.