When the horror recedes and the world resumes its normal shape, you cannot forget it. You have seen what is "really" there, the empty horror that exists when the consoling illusion of our mundane experience is stripped away, so you can never respond to the world in quite the same way again." from Coleridge: Like one, that on a lonesome road Doth walk in fear and dread, And having once turned round walks on, And turns no more his head; Because he knows, a frightful fiend Doth close behind him tread

She is in demand as a speaker on the Abrahamic tradition; in the last decade increasing interest in and debate surrounding Islamic issues has brought her even wider visibility. She first rose to prominence in 1993 with her book A History of God: The 4000-Year Quest of Judaism Christianity and Islam. When Karen Armstrong spoke out of turn Karen Armstrong claims Karen Armstrong was forced to sew at a treadle machine with no needle for a fortnight.

Armstrong received the $100000 TED Prize in February 2008. Her work focuses on commonalities of the major religions such as the importance of compassion and the Golden Rule.