The fact that labour is external to the worker, i.e., it does not belong to his intrinsic nature; that in his work, therefore he does not affirm himself but denies himself, does not feel content but unhappy, does not develop freely his physical and mental energy but mortifies his body and his mind. The worker therefore only feels himself outside his work, and in his work feels outside himself.

Be careful to trust a person who does not like wine.

...the French Revolution gave rise to ideas which led beyond the ideas of the entire old world order. The revolutionary movement which began in 1789... gave rise to the communist idea which Babeuf's friend Buonarroti re-introduced in France after the Revolution of 1830. This idea, consistently developed, is the idea of the new world order.

If the labourer consumes his disposable time for himself, he robs the capitalist.

One of the most difficult tasks confronting philosophers is to descend from the world of thought to the actual world.

The writer must earn money in order to be able to live and to write, but he must by no means live and write for the purpose of making money.

Beauty is the main positive form of the aesthetic assimilation of reality, in which aesthetic ideal finds it direct expression.