All questions and answers are taken from the King James Version of the Bible

Who said this?
“And it shall come to pass afterward, that I will pour out my spirit upon all flesh; and your sons and your daughters shall prophesy, your old men shall dream dreams, your young men shall see visions: 29 And also upon the servants and upon the handmaids in those days will I pour out my spirit.”

Apr 20 Answer: The prophet Isaiah (Isaiah 44:3)