My best guess would be this.
"When they have opened a gap in the hedge or wall of separation between the garden of the church and the wilderness of the world, God hath ever broke down the wall itself, removed the candlestick, and made His garden a wilderness, as at this day."
slowly feeling my arms and legs swiftly swimming through the swimming lane
Demolish could be a word to fit in there
If you could attach the passage, I would be able to help you out more