This interview with Peter Jones provides an in-depth examination of the main issues tackled by contemporary discussions on toleration in liberal democratic societies. In particular, his discussion of the vertical and the horizontal dimension of toleration is a useful distinction that clarifies various issues in need of further elaboration. Furthermore, his presentation of philosophy’s many contributions to the study of toleration provides a much-needed insight into some of the most challenging conceptual issues associated with this area of scholarly research. His analysis of some of the most challenging contemporary controversies demonstrates the practical relevance of conceptual research on toleration and related ideas. Ultimately, his extensive reply to the foundational questions associated with toleration testifies that some of the central issues are far from settled.