"Why, how can you ask such a question? You are a republican." A republican! Yes; but that word specifies nothing. Res publica; that is, the public th… - Pierre-Joseph Proudhon

But what is there in man older and deeper than the religious sentiment?
There is man himself; that is, volition and conscience, free-will and law, eternally antagonistic. Man is at war with himself: why?
“Man,” say the theologians, “transgressed in the beginning; our race is guilty of an ancient offence. For this transgression humanity has fallen; error and ignorance have become its sustenance. Read history, you will find universal proof of this necessity for evil in the permanent misery of nations. Man suffers and always will suffer; his disease is hereditary and constitutional. Use palliatives, employ emollients; there is no remedy.

The proprietor, producing neither by his own labor nor by his implement, and receiving products in exchange for nothing, is either a parasite or a thief.

When our ideas on any subject, material, intellectual, or social, undergo a thorough change in consequence of new observations, I call that movement of the mind revolution. If the ideas are simply extended or modified, there is only progress. Thus the system of Ptolemy was a step in astronomical progress, that of Copernicus was a revolution.