Luke 15:2 - Ellicott's Commentary On The Whole Bible

And the Pharisees and scribes... — Here, too, we may well believe that the speakers were some of the guests of Luke 14:15. They had followed Him to see what He would do, and were at once startled and shocked to find the Teacher who had spoken so sternly to those who were professedly godly, not only talking to, but eating with, those who were, at any rate, regarded as ungodly and sinful.