Isn't It Lawful to Divorce Someone's Wife?

The Pharisees came and what do they do? They test him. So the Pharisees aren't interested in a genuine question. They're coming to Jesus to entrap him. And it's really funny that Jesus is actually being questioned about this because it's also the place where Moses allowed for divorce in the book of Deuteronomy. In Exodus and Leviticus and Numbers, divorce and remarriage isn't permitted in those books.