It must be admitted that there is a degree of instability which is inconsistent with civilization. But, on the whole, the great ages have been unstable ages. – Alfred North Whitehead

Leash: n, a means by which animals, formerly running wild, are prevented from running tame, also. – Robert Brault, rbrault.blogspot.com

Civilization is the lambs skin in which barbarism masquerades. – Thomas Bailey Aldrich

We are so clothed in rationalization and dissemblance that we can recognize but dimly the deep primal impulses that motivate us. – James Ramsey Ullman