Shared ground
Stephen’s retelling stresses a repeated pattern: God takes initiative to rescue, and Israel repeatedly resists God’s chosen messenger. The scene at Sinai is presented as a real divine encounter: God identifies himself as the God of the patriarchs, declares the place holy, and says he has seen Israel’s suffering and is acting to deliver them (vv. 30–34). Moses is not self-appointed; he is sent.
Stephen also emphasizes reversal: the man Israel earlier refused (“Who made you a ruler and a judge?”) is the very one God appoints as “ruler and deliverer” (vv. 35–36). God’s deliverance is publicly confirmed by “wonders and signs” in Egypt, at the sea, and during the wilderness years (v. 36).
The passage also presents Moses as a mediator of divine revelation. He receives “living oracles” to pass on (v. 38), yet the people reject him, desire Egypt in their hearts, and make a calf (vv. 39–41). Stephen then cites a prophet to interpret that era as not merely a one-off mistake but part of a longer trajectory into idolatry and exile language (vv. 42–43).
Where interpretation differs (only where needed)
Who is speaking and acting in the bush scene (angel and Lord). The text mentions “an angel of the Lord” appearing (v. 30) and then “a voice of the Lord” and “the Lord said” (vv. 31, 33). Some readers take this as God speaking directly with an angel present; others think the angel is the main visible agent through whom God speaks.
“With the hand of the angel” (v. 35). Some understand this phrase to mean Moses was commissioned and assisted through angelic agency (God sends Moses, and the angel is the means). Others hear it as emphasizing divine authorization by recalling the bush encounter, without making the angel’s role central beyond that.
“God turned, and gave them up” (v. 42). Some read this as God actively judging by handing Israel over to what they chose. Others emphasize the “letting go” sense: God’s judgment is allowing their chosen direction to run its course.
Why the disagreement exists
The wording moves back and forth between “angel,” “voice of the Lord,” and “the Lord,” which invites different ways of describing the relationship between God’s presence and a messenger (vv. 30–35, 38). Also, “gave them up” can describe either an active handing-over or a permissive withdrawal; the quote from the prophets then compresses a long history into a few lines, leaving details (like the exact reference of “Rephan”) less explicit.
What this passage clearly contributes
Explicit textual claims: God identifies himself with Israel’s ancestral story, sees their suffering, and initiates deliverance by sending Moses (vv. 32–34). Israel had rejected Moses’ authority, yet God sent him anyway as leader and deliverer, and God worked through him with signs (vv. 35–36). Moses received “living oracles” meant to be handed on (v. 38). The people refused obedience, desired Egypt, made an idol, and celebrated what they made (vv. 39–41). God then “gave them up” to serve other heavenly objects of worship, and Stephen supports this by citing a prophetic indictment that links wilderness idolatry with later exile language (vv. 42–43).
Theological inferences grounded in the passage: Stephen is building an argument that rejecting God’s appointed messenger is a recurring feature of Israel’s story, which sets up his later charge that the same pattern is repeating in his own hearing (compare Acts 7:51–53). The emphasis falls on God’s rescue and revelation versus human refusal and substitute worship.