“Now the one who was speaking with me was holding as a measure a golden reed, that he might measure the city and its gates and its wall.

Revelation 21:15

When the temple sanctuary was measured, this guaranteed the fulfillment of Jehovah’s purposes with regard to it. (Revelation 11:1) Now, the angel’s measuring New Jerusalem shows how unchangeable Jehovah’s purposes are with regard to this glorious city.a