When we read that Jesus is the Water of Life we think of all the usual things that water does: quenches thirst, cleanses, refreshes, makes life possible. We draw a parallel between those functions and what Jesus can do in our lives. There is one function of water we may miss. You can cut steel with water! It's true. We have long known that water can cut through stone, but under extremely high pressure jets of water can cut granite, marble, steel and titanium. So Jesus can pierce the hardest heart. Nothing is more powerful than our Lord.