Isaiah 12:2 declares trust in God and refusal to fear, reinforcing the same 'fear not' message from Isaiah 40:9 with a personal confession.

Isaiah 25:9 records people saying 'Behold, this is our God', directly responding to the herald's proclamation 'Behold your God' in Isaiah 40:9.

Isaiah 35:4 says 'Fear not, behold your God will come'—a close parallel to the herald's message of comfort and divine arrival.

In Isaiah 41:27, the same 'herald of good news' is given to Jerusalem — reinforcing the promise of deliverance in Isaiah 40:9.

In Isaiah 52:7, the beautiful feet of the messenger bring good news to Zion — directly parallels the herald calling 'Behold your God' in Isaiah 40:9.

In Isaiah 52:8, watchmen lift their voice and see the LORD's return—a direct echo of the herald proclaiming good news from the mountain.

In Isaiah 62:11, 'Say to daughter of Zion, Behold your salvation' directly echoes the heraldic call of Isaiah 40:9 — both announce God's coming.

In Isaiah 58:1, 'lift up your voice like a trumpet' is for rebuke, contrasting with the good news of 'Behold your God' in Isaiah 40:9.

Isaiah 51:12 comforts the fearful with 'I am he who comforts you'—thematic link of comfort and 'fear not' but not the same proclamation.

1 Peter 3:14 explicitly says 'have no fear of them', directly echoing the 'fear not' command to Zion in Isaiah 40:9, now applied to suffering for righteousness.

Peter lifts his voice to proclaim the gospel at Pentecost—a New Testament fulfillment of the herald's call to announce good news.

Ephesians 6:19 asks for boldness to proclaim the gospel, mirroring the command to lift up your voice without fear in Isaiah 40:9.

In Romans 10:15, Paul quotes Isaiah 52:7 about beautiful feet of those who preach good news, echoing the same herald-of-good-news imagery from Isaiah 40:9.

In Nahum 1:15, the feet of the messenger bringing good tidings on the mountains closely matches the herald imagery used in 40:9.

In John 20:28, Thomas declares 'My Lord and my God'—the explicit recognition of the 'your God' Isaiah called to behold.

In John 12:15, 'Fear not, daughter of Zion, your king is coming' echoes Isaiah's 'fear not' and 'behold your God', identifying Jesus as the coming king.

In Luke 2:10, the angel's 'good news' and 'fear not' directly echo Isaiah 40:9, announcing Jesus' birth as the herald's fulfilled message.

In Matthew 21:5, the herald's call 'Behold your king' echoes Isaiah's 'Behold your God', identifying Jesus as the divine king coming in humility.

In Zechariah 9:9, the call to daughter Zion to rejoice because the king comes parallels the announcement 'Here is your God!' in 40:9.

In Zechariah 2:10, the call for daughter Zion to rejoice because God will dwell in your midst directly parallels the announcement of God's coming in 40:9.

In Psalm 96:2, 'tell of his salvation' parallels the heraldic call in Isaiah to proclaim 'Behold your God' — both gospel announcements.

In Daniel 3:4, a herald commands worship of an idol — a stark contrast to the herald of good news announcing the true God in 40:9.

In Psalm 100:3, 'Know that the LORD, he is God' echoes the core message of Isaiah 40:9 — declaring God's identity.

In Luke 24:47, repentance proclaimed from Jerusalem echoes the herald's call from Zion in Isaiah 40:9 — both announce God's salvation starting from Jerusalem.

In Zephaniah 3:14, the call for daughter Zion to sing and shout parallels the command to lift up the voice in 40:9.

In Acts 13:32, Paul proclaims 'good news' of the promise fulfilled—continuing the herald's message from Isaiah 40:9.

In Psalm 146:10, 'the LORD will reign forever... O Zion' parallels the good news of God's reign in Isaiah 40:9.