Although it seems that erotic love generally was the prevailing topic in the medieval world and the Early Modern Age, parallel to this the Ciceronian ideal of friendship also dominated the public discourse, as this collection of essays demonstrates. Following an extensive introduction, the individual contributions explore the functions and the character of friendship from Late Antiquity (Augustine) to the 17th century. They show the spectrum of variety in which this topic appeared? not only in literature, but also in politics and even in painting.