In place of the old bourgeois society, with its classes and class antagonisms, we shall have an association, in which the free development of each is the condition for the free development of all.

Workers of the world unite, you have nothing to lose but your chains.

It is not the consciousness of men that determines their beeing, but on the contrary, it is their social being that determines their consciousness.

One of the most difficult tasks confronting philosophers is to descend from the world of thought to the actual world. Language is the immediate actuality of thought. Just as philosophers have given thought an independent existence, so they were bound to make language into an independent realm.

The tradition of all the dead generations weighs like a nightmare on the brain of the living.

Philosophy is to the real world as masturbation is to sex.

Go on, get out - last words are for fools who haven't said enough.

Medicine heals doubts as well as diseases.

Religion is the impotence of the human mind to deal with occurrences it cannot understand.

The first requisite for the happiness of the people is the abolition of religion.