15:19 signs and wonders. See Ex. 7:3; Deut. 4:34; 6:22; 7:19; Is. 8:18; Dan. 6:27. A phrase rooted in the authentication of Moses’ ministry at the time of the Exodus. God periodically gave such miracles at critical junctures of redemptive history, such as the Exodus, the prophetic ministries of Elijah and Elisha, the preserving of His people in the time of Daniel, and the ministry of Christ and the apostles. These events are unusual rather than normal and point to the successive stages of redemptive history and the new revelation that accompanies them.
from Jerusalem and all the way around to Illyricum. Paul’s journeys, according to Acts, had stretched from the eastern Mediterranean as far west as Macedonia. There is no record of his personally entering Illyricum (northwest of Macedonia). While he may have done so, it seems more likely that he means he went as far as Macedonia. He established centers of mission, rather than preached personally in every village. From such centers, even Illyricum may have been reached with the gospel.