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People who labor all their lives but have no purpose to direct every thought and impulse toward are wasting their time-even when hard at work.

Marcus Aurelius, Plato, Aristotle (2012). “The Modern Library Collection of Greek and Roman Philosophy 3-Book Bundle: Meditations; Selected Dialogues of Plato; The Basic Works of Aristotle”, p.110, Modern Library
People who labor all their lives but have no purpose to direct every thought and impulse toward are wasting their time-even when hard at work.