Karl Marx’s tombstone is in London’s Highgate Cemetery. On the top, it is inscribed with his famous call for social transformation: “Workers of all lands unite.” At its base is the final line from his Theses On Feuerbach, first published in 1888 and co-edited with Engles:
The philosophers have only interpreted the world, in various ways; the point is to change it.
Republished as Marx/Engels Selected Works, Volume One.
Images via Flickr: 1) William Glen. 2) Barbara Chandler.