The philosophers have only interpreted the world, in various ways. The point, however, is to change it.
Original text (German)
Original text (German)
Change based on principle is progress. Constant change without principle becomes chaos.
He is no wise man that will quit a certainty for an uncertainty.
Quote text and notes from Wikiquote: Karl Marx (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.