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Though ugliness be the opposite of beauty, it is not the opposite to proportion and fitness; for it is possible that a thing may be very ugly with any proportions, and with a perfect fitness for any use.

Edmund Burke (1824). “A Philosophical Inquiry Into the Origin of Our Ideas of the Sublime and Beautiful”, p.125
Though ugliness be the opposite of beauty, it is not the opposite to proportion and fitness; for it is possible that a thing may be very ugly with any proportions, and with a perfect fitness for any use.