What are Cosper, M., big ideas or objectives on "Witship and the Story of the Church" & "Liturgy and the Rhythms of Grace" from his book 'Rhythms of Grace' and list down all questions, disagreements, or things you had like to research more in response to the topics. If possible include specific quotes from the text and page of citation, their impact on your thinking, and how you are processing the information in your current context.