In the eyes of dialectical philosophy, nothing is established for all times, nothing is absolute or sacred.

There is no greater stupidity than for people...to marry and so surrender themselves to the small miseries of domestic and private life.

Parliamentary cretinism: that peculiar malady which since 1848 has raged all over the Continent, which holds those infected by it fast in an imaginary world and robs them of all sense, all memory, all understanding of the rude external world.

What the bourgeoisie therefore produces, above all, are its own grave-diggers. Its fall and the victory of the proletariat are equally inevitable.

[Napoleon] swept away everywhere the establishments of feudality. ... [He was] Caesar himself.

To destroy Christianity, we must first destroy the British Empire.

Force is the midwife of every old society pregnant with a new one.