"Of the twenty or so civilizations known to modern Western historians, all except our own appear to be dead or moribund, and, when we diagnose each case... we invariably find that the cause of death has been either War or Class or some combination of the two."

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Grief and guilt. A powerful combination. Guilt like a liquid, a thin liquor, seeping everywhere, informing everything, saturating the whole-corrosive, like seawater, scented with the rich stench of ordure and corruption, and carrying with it hard, abrasive shards of grief.

— Simon Mawer