An interesting way of viewing and sorting out the similarities and differences in historical popular movements. Surprisingly, the far left and the far right can be indistinguishable from each other from the viewpoint of what it's like to live under them. Hoffer compares the personality types and motivations common to both movements resulting in highly predictable behavior and social results. From religion to politics the paradigm holds true; the human experience is usually optimal when common sense rules. You would do well to read the book as it expresses these ideas much better than I do. The proof of the thesis lies in the fact that the book, written in the 1950's, was correct in it's predictions over the last sixty five years. This way of thinking helps to envision the results of today's decisions.