"The future of a movement is conditioned by the fanaticism, yes, the intolerance, with which its adherents uphold it as the sole correct movement, and push it past other formations of a similar sort."

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When we debunk a fanatical faith or prejudice, we do not strike at the root of fanaticism. We merely prevent its leaking out at a certain point, with the likely result that it will leak out at some other point.

— Eric Hoffer