Daniel 10:21
But I will shew thee that which is noted in the scripture of truth: and there is none that holdeth with me in these things, but Michael your prince.
Cross-references
Daniel 10:13 introduces Michael helping the angel; verse 21 then identifies Michael as the only one contending with these spiritual princes.
Daniel 11:1 continues the angel's speech: 'And I... stood up to confirm and strengthen him' — directly following the mention of Michael here.
Daniel 12:1 directly continues the same revelation: Michael, the great prince, will arise to protect God's people in the end time.
Daniel 11:2 begins the angel's prophecy announced in 10:21, directly continuing the same revelation.
Daniel 8:26 confirms the vision is true and commands it be sealed — echoing the 'writing of truth' mentioned here.
Amos 3:7 declares that God reveals his secret to prophets — exactly what the 'writing of truth' here represents, God's revealed plan.
Revelation 12:7 portrays Michael leading heaven's army against the dragon—a direct fulfillment of his role as warrior prince hinted in Daniel.
Jude 1:9 shows Michael contending with the devil over Moses' body—a different conflict but the same archangel engaged in spiritual warfare.