A.T. Robertson Commentary Acts 5:29

"But Peter and the apostles answered and said, We must obey God rather than men." — Acts 5:29 (ASV)

We must (δε). Moral necessity left them no choice. They stood precisely where Peter and John were when before the Sanhedrin before (Acts 4:20).

Obey (πειθαρχειν). Old verb from πειθομα and αρχη, to obey a ruler. Only by Luke and Paul in the N.T.