2:2 a revelation. If this is the Acts 11 visit, the revelation may have been the prophecy of Agabus (11:28). If not, it was probably similar to other special revelations that Paul received from God (Acts 9:4–6; 16:9; 18:9, 10; 2 Cor. 12:1–6).

in vain. While the Jerusalem leaders were not the source of Paul’s authority, his efforts to preach the gospel would have been hindered if these influential men had opposed him.