Some Ans. Questions 1908 by -'Abdu'l-Bahá- 1 Para

Briefly, what is meant by the term Holy of Holies is that spiritual Law which will never be modified, altered or abrogated; and the Holy City means the material Law which may be abrogated; and this material Law, which is described as the Holy City, was to be trodden under foot for twelve hundred and sixty years (48:3)

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