The Law and the Prophets sufficed until the time of John. Since then the Good News of the Kingdom of God has been told, and everybody has been forcing his way into it.
"What did you go out into the Wilderness to look at? A reed waving in the wind? If not, what did you go out to see? A man dressed in rich clothing? Why, those who are accustomed to fine clothes and luxury live in royal palaces.