21 I have declared to both Jews and Greeks that they must turn to God in repentance and have faith in our Lord Jesus.

Read Acts 20:21 Using Other Translations

Testifying both to the Jews, and also to the Greeks, repentance toward God, and faith toward our Lord Jesus Christ.
testifying both to Jews and to Greeks of repentance toward God and of faith in our Lord Jesus Christ.
I have had one message for Jews and Greeks alike—the necessity of repenting from sin and turning to God, and of having faith in our Lord Jesus.