Today no man can live by his own work: he must be helped by the labor of others. Therefore all that we have, all wealth, is the product of the labor of many people, even of many generations. That is to say: all labor and the products of labor are social, made by society as a whole.

But if all the wealth we have is social, then it stands to reason that it should belong to society, to the people as a whole.

— What Is Anarchism? by Alexander Berkman (Working Classics, #1) (Page 5)