Shared ground
Paul presents his public ministry as the direct outcome of a “heavenly vision” and insists he did not refuse it (explicit claim). He then summarizes what he preached and where: from Damascus to Jerusalem, across Judea, and to the (explicit claim). His message has three linked parts: repent, turn to God, and do “works worthy of repentance” (explicit claim).
He also explains why the conflict turned violent: some Jews seized him in the temple and tried to kill him (explicit claim). Finally, Paul frames his ongoing public testimony (“small and great”) as enabled by God’s help, and as consistent with Israel’s Scriptures—“Moses and the prophets” (explicit claims). The core scriptural content he highlights is that the Messiah would suffer and, as “first” in relation to the resurrection, would proclaim “light” to both Jews and Gentiles (explicit claim).
Where interpretation differs
“Works worthy of repentance” (v. 20). Some read this as a broad description of a changed life that fits repentance without specifying particular practices. Others think Paul has concrete obedience in view (for example, visible deeds that demonstrate genuine turning), and debate how tightly those deeds relate to being accepted by God versus being evidence of a real change.
How Paul is using “Moses and the prophets” (v. 22–23). Many read Paul as saying the main storyline of Scripture points to a suffering Messiah and resurrection-driven proclamation to all peoples. Others argue Paul is making a narrower claim: that specific predictions (not only general themes) directly support these points, and discussions then focus on which passages Paul likely has in mind.
What “light” means (v. 23). Some take “light” mainly as revelation and truth about God made known through the risen Messiah. Others emphasize moral transformation (moving from darkness to light), or communal inclusion (light reaching both Jews and Gentiles as one people).
What “first by the resurrection of the dead” emphasizes (v. 23). Some hear “first” mainly as timing (the Messiah is the first to rise in a way that anticipates others). Others stress rank or representative role (his resurrection leads and guarantees the proclamation and hope that follows).
Why the disagreement exists
The disagreements mostly come from how condensed Paul’s summary is. Key phrases (“works worthy,” “light,” “first”) are meaningful but not fully defined in these verses, so interpreters lean on broader biblical usage and Acts’ larger storyline. Also, Paul’s claim to be saying “nothing but” what Scripture said can be taken as either a general continuity claim or as a claim of direct, detailed prediction—those are different kinds of connections to Scripture.
What this passage clearly contributes
This passage ties Christian public witness to two anchors: (1) a claimed divine commissioning (“heavenly vision”) that reshapes a life, and (2) continuity with Israel’s Scriptures (“Moses and the prophets”). It also shows Paul’s message as both call and content: a summons to repent and turn to God with a life that matches, and a scriptural announcement centered on the Messiah’s suffering and resurrection with “light” extending to Jews and Gentiles alike (Acts 26:19–23).