The epilogue reflects on the nature of essay collections and the distinctive contribution they make to intellectual debate and to wider society. It considers the risks we take when we make and accept academic arguments, and explores some of the specific questions these essays raise for the contemporary world.

This chapter re-examines the image of a canopied building supported by columns that often appears as the concluding page to the prefatory paratext to the gospels known as the Canon Tables, which was devised by Eusebius of Caesarea in the early fourth century. A catalogue of surviving examples of the so-called tholos image is provided, followed by an argument that the image is underdetermined and polyvalent, and that it operates together with the rest of the Canon Tables decorative scheme to invite an imaginative response from the viewer. The latter half of the chapter turns to two texts in Eusebius’ corpus to elucidate the way in which he used sacred architecture as a means of mapping the theological truths and ritual activities associated with such spaces. The same approach can be applied to the architectural decorative scheme adorning the Canon Tables, including its richly symbolic tholos, which can be seen as a potent symbol that can be activated through a biblically inspired ekphrasis and used as a ‘cognitive machine’ to theorise Christian knowledge and practice.

Jesus was a Jewish preacher and, for some Jews, a Messiah. His first followers lived in Jewish contexts. Only gradually did the differences between Christians and the followers of other religions become visible. Thus, there was a parting of the ways between Christians and Jews, but it was never complete. Jews and Christians always observed and influenced each other. Christians also set themselves apart from the many groups they called pagans. Although they believed in the existence of the gods, they considered them to be demons. They also developed their own rituals and created places where they met, so that Christianity became increasingly recognisable as a religion in its own right.

Alongside Ambrose, several prominent figures exemplify other forms of knowledge-shaping practices in catechesis. Zeno of Verona and Gaudentius of Brescia taught new Christians to re-imagine time and the natural world guided by Christian principles. Rufinus of Aquileia and Peter Chrysologus stressed the apophatic reserve necessary for initial inquiries into the nature of God.

The catechumenate emerged in the late second century during the period when Christianity was transitioning from a loose collection of school churches to a more unified monepiscopate. Irenaeus’s writings bear witness to the aesthetic character of knowledge in early Christian catechetical teaching during this time. For Irenaeus, the rule of truth serves as a pedagogical tool enabling new Christians to perceive the unity of creation and Scripture. This chapter looks at catechetical terminology and appeals to the Rule of Truth in Aduersus haereses and the Demonstratio.