• A millstone and the human heart are driven ever round, If they have nothing else to grind, they must themselves be ground.

    Henry Wadsworth Longfellow: A millstone and the human heart are driven ever round,
If they have nothing else to grind, they must themselves be ground.
    Henry Wadsworth Longfellow (1849). “The Poems of Henry Wadsworth Longfellow ; Complete in One Volume”, p.114