If our minds are the product of matter and if matter simply obeys strict natural laws, how can we have free will at all? This is one of the greatest philosophical questions of all, and a problem which is frequently used to attack materialistic Humanism. “Of course we have free will,” critics of materialism often say, “and materialism cannot account for that, so materialism must be wrong!” Is this correct? What is the evidence that we have free will, and what are the implications if we don’t? Are our choices truly our own? Find out in this lightning-fast tour through one of the most difficult philosophical terrains of all.