To illustrate the difference between the innovator and the dull crowd of routinists who cannot even imagine that any improvement is possible, we need only refer to a passage in Engel's most famous book. Here, in 1878, Engels apodictically announced that military weapons are 'now so perfected that no further progress of any revolutionizing influence is any longer possible.' Henceforth 'all further [technological] progress is by and large indifferent for land warfare. The age of evolution is in this regard essentially