 Philosophical behaviourism has long been rejected; what was worth keeping has been appropriated by the philosophical doctrine of functionalism, which is the most widely accepted view in philosophy of mind today. It is a view that is thought to have saved the “reality” of the mental from the “eliminativist” or “fictionalist” tendencies of behaviourism while acknowledging the insight (often attributed to Ryle) that the mental is importantly related to behavioural output or response (as well as to stimulus or input). According to a reasonably charitable assessment, the best of Ryle’s lessons has long been assimilated while the problematic has been discarded. If there are considerations still brewing from the 1930s and 40s that would threaten the orthodoxy in contemporary philosophy of mind, these lie somewhere in work of Wittgenstein and his followers—not in Ryle.