Zechariah 1:11
And they answered the angel of the Lord that stood among the myrtle trees, and said, We have walked to and fro through the earth, and, behold, all the earth sitteth still, and is at rest.
Cross-reference
Zechariah 1:8 introduces the horsemen among myrtle trees — here they report back after patrolling.
Zechariah 1:10 identifies the horsemen as the Lord's patrol — here they give the result of that patrol.
Zechariah 1:15 shows God angry with nations at ease—directly opposing the angelic report of peace here.
Zechariah 1:12 reveals the angel's response to the patrol's report: he questions God's delay in showing mercy to Jerusalem.
Zechariah 6:7 repeats the same 'patrol the earth' command from the same vision—direct parallel.
Zechariah 4:10 mentions 'the eyes of the Lord which range through the whole earth' — a direct parallel to the patrol in 1:11.
Zechariah 6:5 describes the four winds/spirits going out from God to patrol — similar to the horsemen in 1:11.
In Job 1:7, Satan uses the same phrase 'going to and fro on the earth' — both describe beings patrolling the earth for divine purposes.
Psalm 103:20 calls angels who obey God's word — these horsemen exemplify that obedience by patrolling and reporting.
In Ezekiel 9:11, a messenger reports completing his mission, similar to the patrol's report here. Both show divine agents returning with news.