Authors:

A major criterion for judging the anxiety level of any society is the loss of its capacity to be playful.

Edwin H. Friedman, Margaret M. Treadwell, Edward W. Beal (2007). “A Failure of Nerve: Leadership in the Age of the Quick Fix”, p.201, Church Publishing, Inc.
A major criterion for judging the anxiety level of any society is the loss of its capacity to be playful.