Luxury: The lust for comfort, that stealthy thing that enters the house as a guest, and then becomes a host, and then a master. – Kahlil Gibran, The Prophet, 1923

We face the question whether a still higher “standard of living” is worth its cost in things natural, wild, and free. – Aldo Leopold, A Sand County Almanac, 1949

Progress imposes not only new possibilities for the future but new restrictions. – Norbert Wiener, The Human Use of Human Beings, 1950

If it keeps up, man will atrophy all his limbs but the push-button finger. – Frank Lloyd Wright