¹⁷ Its wall is one hundred forty-four cubits,^[a] by the measure of a man, that is, of an angel. ¹⁸ The construction of its wall was jasper. The city was pure gold, like pure glass. ¹⁹ The foundations of the city’s wall were adorned with all kinds of precious stones. The first foundation was jasper; the second, sapphire;^[b] the third, chalcedony; the fourth, emerald;