Zechariah 2:4-5 NIV

4 and said to him: “Run, tell that young man, ‘Jerusalem will be a city without walls because of the great number of people and animals in it.

References for Zechariah 2:4

5 And I myself will be a wall of fire around it,’ declares the LORD, ‘and I will be its glory within.’

References for Zechariah 2:5