"At that point it certainly would be called abstract. That is to say, you had a model and there'd be one or two or three people there drawing the model but otherwise you had abstractions all around the room, even though the model was in front of you."

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For the anarchist, freedom is not an abstract philosophical concept, but the vital concrete possibility of every human being to bring to full development all the powers, capacities and talents with which nature has endowed them, and turn them to social account.

— Rudolf Rocker