“Mladen Dolar (in private conversation) raised a simple question here : did philosophers before Marx really only interpret the world instead of changing it? Did they not all, starting with Plato, propose some project for radically changing the world? Recall Plato’s trip to Syracuse, where he tried to convince the local tyrant Dionysius to implement his reforms. It is perhaps only Hegel who was a truly contemplative philosopher, renouncing all projects for a future and limiting his thought to painting “grey on grey” in the present —and the paradox is that it was precisely Hegel’s thought which, for that very reason, grounded the most radical attempts to change the world”

Absolute Recoil: Towards A New Foundation Of Dialectical Materialism by Zizek, Slavoj