Part II: On the Nature and Origin of the Mind
A concept is not at all something that is a given. Moreover, a concept is not the same thing as thought: one can very well think without concepts, and everyone who does not do philosophy still thinks, I believe, but does not think through concepts–if you accept the idea of a concept as the product of an activity or an original creation.
I would say that the concept is a system of singularities appropriated from a thought flow. A philosopher is someone who invents concepts. Is he an intellectual? No, in my opinion. (…)
Philosophy arises with the action that consists of creating concepts. For me, there are as many creations in the invention of a concept as in the creation by a great painter or musician.
{ Gilles Deleuze, Cours de Vincennes on Leibniz | Continue reading }