Western philosophy has often claimed for itself not just a distinct sphere of knowledge, but a distinct form of communication, set against ordinary speech. In
Speaking Philosophically,
Thomas Sutherland proposes that for some philosophers, authentic philosophizing demands a specific manner of speaking or writing, adoption of which enables one to gesture toward truths that propositional speech will never grasp. Drawing on a variety of thinkers – Heraclitus, Plato, Kant, Fichte, Nietzsche, Kierkegaard, Weil, Foucault, and Irigaray – Sutherland argues this emphasis on the form of philosophical communication can function as an exclusionary mechanism, determining who is deemed capable of speaking philosophically.