Whoever teaches as a theologian - whether in school, church or university - has to show Christian religion. But if he has something to show, he has nothing to explain. What shows itself appears on this side of knowledge, analysis, classification, criticism, in short: on this side of the subject's dominant outreach. What shows itself appears to be different from affirmative knowledge or critical consciousness. When Christian religion is shown, an Other appears that shows itself as the gift of the Other. With such an aesthetic definition of Christian religion as the perception of what shows itself, the Reformation principle "by grace alone" is upheld in terms of religious education, liturgy and pastoral care.