The real baptism takes place inside. In fact, the Quakers don't use water for that reason. They, I think, want the real thing without the symbol. We United Methodist think a lot of our symbols. There was a lot more of this words that gave strength to the people, words that put heart in them.
Immersion is for the past.
Pouring is for the present. Sprinkling is for the future. Each form or method of baptism represents or symbolizes one aspect of the inner baptism. Baptism by immersion represents repentance which is the first step toward Jesus. Years ago, the Denver Zoo was being renovated.