9If you confess with your mouth, “Jesus is Lord,” and believe in your heart that God raised him from the dead, you will be saved. 10One believes with the heart, resulting in righteousness, and one confesses with the mouth, resulting in salvation. 11For the Scripture says, Everyone who believes on him will not be put to shame, 12since there is no distinction between Jew and Greek, because the same Lord of all richly blesses all who call on him. 13For everyone who calls on the name of the Lord will be saved.
14How, then, can they call on him they have not believed in? And how can they believe without hearing about him? And how can they hear without a preacher? 15And how can they preach unless they are sent? As it is written: How beautiful are the feet of those who bring good news. 16But not all obeyed the gospel. For Isaiah says, Lord, who has believed our message? 17So faith comes from what is heard, and what is heard comes through the message about Christ.” (Romans 10:11-17 –CSB)
"But you will receive power when the Holy Spirit has come on you,
and you will be my witnesses in Jerusalem, in Judea and Samaria,