On a level plain, simple mounds look like hills; and the insipid flatness of our present bourgeoisie is to be measured by the altitude of its great intellects.
Religion is the opiate of the people.
The weapon of criticism can never replace the criticism of weapons.
Follow your own path, no matter what people say.
The meaning of peace is the absence of opposition to socialism.
The social revolution...cannot draw its poetry from the past, but only from the future. It cannot begin with itself before it has stripped itself of all superstitions concerning the past.