"You could conceive spirituality as the study of the immeasurable, of the qualitative. But that's very different from the way we typically use the word. A spiritual person, in the popular conception, is somebody who's kind of aloof from the world, introspective, meditating, communing with non-material beings. That's the spiritual realm, and we elevate it above the material realm. What's more worthy, what's more admirable? Who's the one who has done this hard work on the self, and has done a lot of "practice"? That's the spiritual person."

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Is it stupidity or is it moral cowardice which leads men to continue professing a creed that makes self-sacrifice a cardinal principle, while they urge the sacrificing of others, even to the death, when they trespass against us? Is it blindness, or is it an insance inconsistency, which makes them regard as most admirable the bearing of evil for the benefit of others, while they lavish admiration on those who, out of revenge, inflict great evils in return for small ones suffered? Surely our barbarian code of right needs revision, and our barbarian standard of honour should be somewhat changed.

— Herbert Spencer