Kai Nielsen is one of Canada's most distinguished political philosophers. In a career spanning over 40 years, he has published more than 400 papers in political philosophy, ethics, meta-philosophy, and philosophy of religion. He has engaged much of the best work in Anglophone political philosophy, shedding light on many of the central debates and controversies of our time but throughout has remained a unique voice on the political left. Pessimism of the Intellect , Optimism of the Will: The Political Philosophy of Kai Nielsen presents a thoughtful collection of Nielsen's essays complemented by an extended reflective interview with Nielsen. This collection allows the reader to grasp the systematic scope of his thought and methodology.