<p>20:21- see on Acts 13:24,25.</p><p><em>Testifying- </em>A legal term, implying that whenever a person encounters the call of the Gospel, they stand as it were right now before God's judgment seat. Paul develops this metaphor very strongly in Romans.</p><p><em>Both to Jews and to Gentiles repentance </em><i>toward God, and faith toward our Lord Jesus Christ</i>- Gk. <em>the</em> repentance in some manuscripts. Perhaps a technical term used amongst the Christians, showing the importance they attached to this step prior to baptism.</p>