I am conscious of my inability to grasp, in all its details and positive developments, any very large portion of human knowledge.

The privileged man, whether he be privileged politically or economically, is a man depraved in intellect and heart.

By striving to do the impossible, man has always achieved what is possible. Those who have cautiously done no more than they believed possible have never taken a single step forward.

God, or rather the fiction of God, is thus the sanction and the intellectual and moral cause of all the slavery on earth, and the liberty of men will not be complete, unless it will have completely annihilated the inauspicious fiction of a heavenly master.

As long as we have a master in heaven, we will be slaves on earth.

Everything that lives, does so under the categorical condition of decisively interfering in the life of someone else.

Those mutually opposed manifestos are written with the same eloquence, they breathe the same virtuous indignation, and one is just as sincere as the other; that is to say both of them are equally brazen in their lies, and it is only fools who are deceived by them. Sensible persons, all those who have had some political experience, do not even take the trouble of reading such manifestos.