David Simpson is Senior Lecturer at the University of Wollongong, Australia, and Adjunct Researcher at Monash University, Melbourne, Australia. He writes on the philosophy of language (pragmatics), epistemology (virtue epistemology), and the history of philosophy, specialising in Plato, Nietzsche and Wittgenstein. He has a long-standing interest in lying, irony and the politics of communication. David Beckett is a Professor of Education at the University of Melbourne, Australia. He writes in adult workplace learning and professional practice, and is currently co-writing a book on complexity theory and thinking in the social sciences.