Quote by Friedrich Engels
"Morality is not fixed in heaven but grows from the material conditions of human life."
"Morality is not fixed in heaven but grows from the material conditions of human life."
"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."