Quote by Friedrich Engels
"Nature is also included in the total scheme of history and must be studied as part of human development."
More from Friedrich Engels
"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."