In this passage, Jesus is speaking to the religious leaders of His time, the Pharisees and teachers of the law, who were known for their strict adherence to religious rituals and laws. However, Jesus points out a significant flaw in their practice: they focus on maintaining an appearance of righteousness while neglecting the purity of their hearts. By using the metaphor of a cup and dish, Jesus illustrates the importance of inner cleanliness over mere external appearances.
The criticism is not just about their personal conduct but also about their influence on others, as leaders who should model genuine faith. Jesus's words challenge all believers to look beyond the surface and address the deeper issues of the heart, such as greed and self-indulgence. This teaching encourages a holistic approach to faith, where one's inner life is as important as outward actions. It calls for authenticity, urging individuals to align their inner values with their external behaviors, fostering a faith that is sincere and transformative.