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Indeed, intolerance is essential only to monotheism; an only God is by nature a jealous God who will not allow another to live. On the other hand, polytheistic gods are naturally tolerant, they live and let live.

Arthur Schopenhauer, E. F. J. Payne (1974). “Parerga and Paralipomena: Short Philosophical Essays”, p.358, Oxford University Press
Indeed, intolerance is essential only to monotheism; an only God is by nature a jealous God who will not allow another to live. On the other hand, polytheistic gods are naturally tolerant, they live and let live.