The quote has lots of zing to it, but it ain't true. What it says essentially is that progress is an outcome of revolution. While revolution leads to big chan

The quote has lots of zing to it, but it ain't true. What it says essentially is that progress is an outcome of revolution. While revolution leads to big changes, progress is a product of evolution. And evolution has to be done in "reasonable" ways by "reasonable" man. To say that "all progress depends on the unreasonable man" is wrong.