„The source of my work is nature. I use it with respect and freedom. I use materials, ideas, movement and time to express a whole view of my art in the world.“
— Richard Long artist 1945
Richard Long (1982), cited in: Description of the exhibition Concentrations IX: Richard Long, March 31–July 8, 1984 at the Dallas Museum of Art http://texashistory.unt.edu/ark:/67531/metapth224905/m1/1/.