Q&A: The Trinity, Miracles, and Spirits

On today’s Bible Answer Man broadcast (05/30/23), Hank answers the following questions: Can you clarify what you mean when you describe the “one what and three who’s” of the Trinity? To what degree does the Spirit of God work in our lives? Would it be acceptable to pray for miracles? Several people in my family have encountered the spirit of my deceased grandfather. If spirits cannot take on physical form as you say, then how do you explain this? Is it a sin to get a tattoo? My kids want us to get a tattoo representing Romans 1:16. Do think this is okay?