By fashion and built-in obsolescence the economies of machine production, instead of producing leisure and durable wealth, are duly cancelled out by the mandatory consumption on an even larger scale.

In war, the army is not merely a pure consumer, but a negative producer.

A society that gives to one class all the opportunities for leisure, and to another all the burdens of work, dooms both classes to spiritual sterility.

Iron and coal dominated everywhere, from grey to black: the black boots, the black stove-pipe hat, the black coach or carriage, the black iron frame of the hearth, the black cooking pots and pans and stoves. Was it a mourning? Was it protective coloration? Was it mere depression of the senses? No matter what the original color of the paleotechnic milieu might be it was soon reduced by reason of the soot and cinders that accompanied its activities, to its characteristic tones, grey, dirty-brown, black.

In our entrancement with the motorcar, we have forgotten how much more efficient and how much more flexible the footwalker is.

Adding highway lanes to deal with traffic congestion is like loosening your belt to cure obesity.

The mind reproduces itself by transmitting its symbols to other intermediaries, human and mechanical, than the particular brain that first assembled them.