Bhairava is One with the Transcendant Siva and Nataraja

Bhairava or Rudra, Siva as yogi,

Image of Satguru Sivaya Subramuniyaswami
This physical world, though necessary to our evolution, is the embodiment of impermanence, of constant change. Thus, we take care not to become overly attached to it.
—Gurudeva