Crispus, the ruler of the synagogue, believed in the Lord, together with all his household; and many of the Corinthians hearing Paul believed and were baptized. And the Lord said to Paul one night in a vision, “Do not be afraid, but speak and do not be silent; for I am with you, and no man shall attack you to harm you; for I have many people in this city.” And he stayed a year and six months, teaching the word of God among them.
–Acts 18:8-11