Some Ans. Questions 2014 by -'Abdu'l-Bahá- 1 Para

Then it is said that the angel addressed him, saying, "Rise, and measure the temple of God, and the altar, and them that worship therein"; that is, weigh and gauge. To gauge is to determine the quantity of a thing. Thus the angel said: Weigh the Holy of Holies, and the altar, and them that are worshipping therein- that is, investigate their true condition; discover their rank and station, their attainments, their perfections, their conduct, and their attributes; and acquaint thyself with the mysteries of those holy souls who abide in the station of purity and sanctity in the Holy of Holies (11:3)

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