21:17. And he measured the wall thereof an hundred forty-four cubits, the measure of a man, which is of an angel.
The measure of a man, i.e., According to the measure of men, and used by the angel... This seems to be the true meaning of these words.
21:18. And the building of the wall thereof was of jasper stone: but the city itself pure gold like to clear glass.
21:19. And the foundations of the wall of the city were adorned with all manner of precious stones. The first foundation was jasper: the second, sapphire: the third; a chalcedony: the fourth, an emerald:
21:20. The fifth, sardonyx: the sixth, sardius: the seventh, chrysolite: the eighth, beryl: the ninth, a topaz: the tenth, a chrysoprasus: the eleventh, a jacinth: the twelfth, an amethyst.
21:21. And the twelve gates are twelve pearls, one to each: and every several gate was of one several pearl. And the street of the city was pure gold, as it were, transparent glass.
21:22. And I saw no temple therein. For the Lord God Almighty is the temple thereof, and the Lamb.
21:23. And the city hath no need of the sun, nor of the moon, to shine in it. For the glory of God hath enlightened it: and the Lamb is the lamp thereof.
21:24. And the nations shall walk in the light of it: and the kings of the earth shall bring their glory and honour into it.
21:25. And the gates thereof shall not be shut by day: for there shall be no night there.