Here’s a poem by W.B. Yeats entitled “The Second Coming”

Turning and turning in the widening gyre
The falcon cannot hear the falconer
Things fall apart; the centre cannot hold;
Mere anarchy is loosed upon the world,
The blood-dimmed tide is loosed, and everywhere
The ceremony of innocence is drowned
The best lack all conviction, while the worst
Are full of passionate intensity

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