Theology is the science of the divine lie.

Freedom, morality, and the human dignity of the individual consists precisely in this; that he does good not because he is forced to do so, but because he freely conceives it, wants it, and loves it.

The peoples' revolution... will arrange its revolutionary organisation from the bottom up and from the periphery to the centre, in keeping with the principle of liberty.

If God is, man is a slave; now, man can and must be free; then, God does not exist. I defy anyone whomsoever to avoid this circle; now, therefore, let all choose.

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.

Christianity is the complete negation of common sense and sound reason.

Religion is a collective insanity.