The organization of society is always and everywhere the unique cause of the crimes committed by individuals.

Religion is a collective insanity.

Nationality is not a universal human principle but an historical, local fact...Every nation, even a small one, has its own character, its own particular way of life and manner of speaking, feeling, thinking, and behaving. These distinctive features are the essence of nationality, the product of a nation's entire history and conditions of existence. Every nation, like every individual, is of necessity what it is, and has an unquestionable right to be itself. So-called national rights consist precisely of this.

But I recognize no infallible authority, even in special questions; consequently, whatever respect I may have for the honesty and the sincerity of such or such an individual, I have no absolute faith in any person.

I am sure that, on the one hand, the Rothschilds appreciate the merits of Marx, and that on the other hand, Marx feels an instinctive inclination and a great respect for the Rothschilds.

There are but three ways for the populace to escape its wretched lot. The first two are by the routes of the wine-shop or the church; the third is by that of the social revolution.

I am not myself free or human until or unless I recognize the freedom and humanity of all my fellowmen... I am truly free only when all human beings, men and women, are equally free. The freedom of other men, far from negating or limiting my freedom, is, on the contrary, its necessary premise and confirmation.