The paper discusses the challenges of Christian identity in a (post)modern context in relation to fundamental elements of theology. It explores the role of doctrines in the life of the church, emphasising their importance in relation to worship and the authority of the Word of God. The paper highlights the importance of corporate identity as Christian and Reformed, emphasising the significance of cultural identity in the context of Christianity. It addresses the question of what makes the church and the conditions of being a church, reflecting on the essence of Christianity.