When you live on cash, you understand the limits of the world around which you navigate each day. Credit leads into a desert with invisible boundaries.
Anton Pavlovich Chekhov (1860–1904), Russian author, playwright. Letter, August 18, 1893, to his editor and friend, A.S. Suvorin. Complete Works and Letters in Thirty Volumes, Letters, vol. 5, p. 226, “Nauka” (1976).