In a night vision at Corinth, what did the Lord tell Paul?

Answer: Keep on speaking; do not be silent

The Lord said, "Do not be afraid; keep on speaking; do not be silent. For I am with you... I have many people in this city."

“One night the Lord spoke to Paul in a vision: “Do not be afraid; keep on speaking; do not be silent. For I am with you and no one will lay a hand on you, because I have many people in this city.””— Acts 18:9-10 (BSB)