5. Here he appeals to their present experience. For “frequently abstract teaching may be verified by reference to our own spiritual life” (Beet).
οὖν. In logical deduction from Gal 3:2. If the past showed that spiritual blessings came through faith, I argue that the present teaches the same lesson.
ὁ … ἐπιχορηγῶν (Col 2:19 note). ἐνεργῶν (supra Gal 2:8).
δυνάμεις, i.e. miracles, 1Co 12:10.
ἐν ὑμῖν. They saw them. We are told of earlier miracles among the South Galatians at Iconium, Act 14:3, and Lystra, Act 14:9-10, where observe πίστιν τοῦ σωθῆναι.