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. – Lewis Mumford
A man of courage never needs weapons, but he may need bail. – Lewis Mumford
One of the functions of intelligence is to take account of the dangers that come from trusting solely to the intelligence. – Lewis Mumford
The vast material displacements the machine has made in our physical environment are perhaps in the long run less important than its spiritual contributions to our culture. – Lewis Mumford