Dolphins can live in the deepest water without danger because they regularly come to the surface and breathe in air that sustains them. We, too, must rise in prayer into the spiritual realm. To pray is to breathe in God's life-giving spirit that gives life and peace, even in this world.
There is the same difference in a person before and after he or she is in love as there is in an unlighted lamp and one that is burning. The lamp was there and it was a good lamp, but now it is shedding light too and that is its real function.