Where speculation ends — in real life — there real, positive science begins: the representation of the practical activity, of the practical process of development of men. Empty talk about consciousness ceases, and real knowledge has to take place.

Another quote →

More quotes by Karl Marx

All Karl Marx quotes →

Attribution

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.