Revelation 21:13-15

Revised Standard Version

¹³ on the east three gates, on the north three gates, on the south three gates, and on the west three gates. ¹⁴ And the wall of the city had twelve foundations, and on them the twelve names of the twelve apostles of the Lamb.

¹⁵ And he who talked to me had a measuring rod of gold to measure the city and its gates and walls.