through witness (2:14–37). We need the Spirit’s empowerment to live obediently and minister effectively. Perhaps we should consider adding a sixth “sola” doctrine to those we hold so precious. Doing so would help us take a significant step toward recapturing the doctrine of the Holy Spirit for evangelical theology. Here is one way of stating a doctrine of solus Spiritus (Spirit alone): The Holy Spirit alone has been, is today, and always will be the source of empowerment God uses