Mill, On Liberty, taught me that different world views do not have to lie side by side but can be used to improve the general climate of knowledge. Points of view, forms of life, I thought, made sense and received substance only when embedded in a collection of other forms of life.
"Concluding Unphilosophical Conversation", in: G. Munévar (ed.), Beyond Reason. Essays on the Philosophy of Paul Feyerabend. Dordrecht: Kluwer, 1991. p.492.