This dissertation focuses on Descartes’ concept of will. Following the Scholastics Descartes takes the will, alongside intellect, to be the main faculty of the mind. The essence of the Cartesian mind is thinking. Most Cartesian scholars take this to mean that for Descartes the essence of the mind consists of thoughts as objects of awareness. I argue that willing is not just another type of thought on a par with conceiving, imaginging, and having sensory perceptions but that willing is as much an essential feature of the Cartesian mind as awareness. Without willing there would be no thinking; willing pertains to the essence of the mind. For Descartes, the will is so free it can never be coonstrained; an unfree will is a contradiction in term...