“From the perspective of Dzogchen, the ultimate nature of all sentient beings is said to be pure, all-encompassing, primordial clarity or naturally occurring timeless clarity. This intrinsic clarity has no form of its own and yet is capable of perceiving, experiencing, reflecting, or expressing all form. It does so without being affected by those forms in any ultimate, permanent way. The analogy given by Dzogchen masters is that one’s nature is like a mirror which reflects with complete openness but is not affected by the reflections, or like a crystal ball that takes on the colour of the material on which it is placed without itself being changed.”