"In his essay, ‘Perpetual Peace,’ the philosopher, Immanuel Kant, argued that perpetual peace would eventually come to the world in one of two ways, by human insight or by conflicts and catastrophes of a magnitude that left humanity no other choice. We are at such a juncture."

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This inability to think created the possibility for many ordinary men to commit evil deeds on a gigantic scale, the like of which had never been seen before. The manifestation of the wind of thought is not knowledge but the ability to tell right from wrong, beautiful from ugly. And I hope that thinking gives people the strength to prevent catastrophes in these rare moments when the chips are down.

— Hannah Arendt