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" But this has brought about [98]everything that makes the life of humans so rich, so cultivated, and so terrible, that here in the West, which has made them pale and white, and where the ancient, true, profound, original religionsb of their homeland could not follow, humans no longer recognize animals as their brothers, but believe them to be something fundamentally different from themselves; and to maintain this illusion, humans call animals beasts, assigning derogatory terms to all the vital functions which humans have in common with them, considering "
― Arthur Schopenhauer , On the Fourfold Root of the Principle of Sufficient Reason
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" The highest, i.e., the most general concepts, are the poorest; ultimately these are just empty shells, as, e.g., being, essence, thing, becoming, ect. - incidentally, whatever could philosophical systems produce when they are merely spun out of these same concepts and have as their matter only such empty shells of thought? They must be infinitely empty and poor, and therefore, turn out to be tedious and suffocating. "
― Arthur Schopenhauer , On the Fourfold Root of the Principle of Sufficient Reason