His best-known assertion is that "property is theft!", contained in his first major work, What is Property? Or, an Inquiry into the Principle of Right and Government (Qu'est-ce que la propriété? Recherche sur le principe du droit et du gouvernement), published in 1840.
Proudhon favored workers' associations or co-operatives as well as individual worker/peasant possession over private ownership or the nationalization of land and workplaces. He considered social revolution to be achievable in a peaceful manner. In The Confessions of a Revolutionary, Proudhon asserted that "Anarchy is Order Without Power", the phrase which much later inspired in the view of some the anarchist circled-A symbol, today "one of the most common graffiti on the urban landscape".
- "He appeared to be a man of arolll1d forty-five years with thin, reddish-colored hair, looking bland and innocent, despite the slight cast in his eyes." https://core.ac.uk/download/pdf/48608480.pdf