Amos: Jeremiah 1:11-13; Zechariah 5:2
a plumbline: This was an emblem of strict justice; and intimated that God would now visit them according to their iniquities.
I will set: Lamentations 2:8
I will not: Amos 8:2; Jeremiah 15:6; Ezekiel 7:2-9; Micah 7:18; Nahum 1:8-9