The real story of Ted Kaczynski is one of the nature of modern evil—evil that results from the corrosive powers of intellect itself, and its arrogant tendency to put ideas above common humanity. It stems from our capacity to conceive theories or philosophies that promote violence or murder in order to avert supposed injustices or catastrophes, to acquiesce in historical necessity, or to find the final solution to the world’s problems—and by this process of abstraction to dehumanize our enemies.