The sword is a choice to turn from what was and seek all that is Christ, or to push Him away and face the consequences. That is the dividing line. Each person and every generation has to make their decision on their own. Are you a barrier to their salvation?
“IF You can?” and then followed with a challenge to the man and his child – to BELIEVE. It is not going to be the wave of a magic wand by which this boy will be healed. But first, do you BELIEVE I can do this? That is what Jesus challenged him with.
Our story is God's story, being written every day for His purpose and joy. We are to share it generously.