"Plotinus never laughs, he does not even smile. He is solemnity incarnate. His whole task - in this he is continuing and complementing the work of Socrates, "the wisest among men" - consists in detaching man from the outer world. The inner joys, inner contentment, are, he teaches, quite independent of the conditions of our outward existence. The body is a prison wherein the soul resides. The visible world is the wall of this prison. So long as we let our spiritual welfare depend on our jailers, we can never be "happy". p. 242"