The surest sign of age is loneliness. Posted on December 19, 2014December 19, 2009 by admin “The surest sign of age is loneliness.” — Annie Dillard Author: Annie Dillard Category: age Tags: age, Annie Dillard Spread the love Related posts: There is a certain age at which True terror is to wake up one Like everyone else who makes the mistake Age is not a particularly interesting subject.