Quote by Friedrich Engels
"Progress is not guaranteed; it must be fought for continuously."
"Progress is not guaranteed; it must be fought for continuously."
"The oppressed are allowed once every few years to decide which particular representatives of the oppressing class are to represent and repress them."
"All that is solid melts into air, all that is holy is profaned."
"The working men have no country."
"History repeats itself, first as tragedy, second as farce."