Jesus clearly performed a miracle of turning water into wine. It is standard orthodox Christian theology that the same Holy Spirit that empowers us today is the exact same Holy Spirit that empowered Jesus.
If you believe this, which I do, would you teach a class on Viticulture claiming that all you need to do is put water into a cistern and pray?
If you believe this, which I do, would you teach a class on Viticulture claiming that all you need to do is put water into a cistern and pray?