Religion is not about accepting twenty impossible propositions before breakfast, but about doing things that change you. It is a moral aesthetic, an ethical alchemy. If you behave in a certain way, you will be transformed. The myths and laws of religion are not true because they they conform to some metaphysical, scientific or historical reality but because they are life enhancing. They tell you how human nature functions, but you will not discover their truth unless you apply these myths and doctrines to your own life and put them into practice.

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.