When persecution scattered the believers out of Jerusalem, Peter eventually went to Joppa, where he had a huge “What the what?!” moment while dreaming on a rooftop, and then saw God pour the Holy Spirit out on Gentiles, which made him and his Jewish companions have an even bigger “What the what?!” moment… And through all of it, Peter learned that God’s plan includes reaching the Gentiles. Which meant it was time to abandon all prejudice and unnecessary traditions.