The document discusses the Serenity Prayer and how mindfulness relates to it. It argues that [1] there is no permanent self, as our consciousness fluctuates moment to moment, [2] we cannot change the past or other people, but through mindfulness of the present moment we can change ourselves and the future, [3] regular mindfulness practice provides insight and wisdom to know how to accept what cannot be changed and have the courage and wisdom to change what can be changed.