For anyone who reflects, the appearances of beauty become the themes of an invisible harmony. Perfumes as they strike our senses represent spiritual illumination. Material lights point to that immaterial light of which they are the images.
Dionysius the Areopagite Celestial Hierarchy I,3 (PG 3,121)
Photograph from NASA’s Mars rover Opportunity at the rim of “Victoria Crater” in Mars’ Meridiani Planum region (Sept. 26, 2006).