In John 17:20-21, during what is known as Jesus priestly prayer, Jesus prays... “I am praying not only for these disciples but also for all who will ever believe in me through their message. I pray that they will all be one, just as you and I are one—as you are in me, Father, and I am in you. And may they be in us so that the world will believe you sent me.'Sometimes, it seems we hav...