Matthew 15:17
Do you not see that whatever goes into the mouth passes into the stomach and is expelled?
English Standard Version (ESV)
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Jesus is driving home the point that physical food is completely separate from spiritual purity, highlighting that the disciples still don't grasp that what goes into the body is simply processed and expelled, never reaching the core of a person's being where true defilement originates. He's subtly pointing out that their focus on external rituals misses the vital truth that only what comes out of a person, originating from their heart, can truly pollute them.
Jesus is responding to the Pharisees' criticism that his disciples aren't following their traditions about ritual washing. After explaining that true defilement comes from within the heart, not from external things, he addresses his disciples' confusion about the parable. He points out the obvious physical process of digestion to illustrate that food, by itself, doesn't morally contaminate a person.
Jesus uses a seemingly obvious biological fact to make a profound spiritual point. What does the simple act of eating reveal about true defilement?
Jesus is speaking to the Pharisees' obsession with external rituals, like ceremonial handwashing, as a means of staying pure. He points out that the physical act of eating is purely a bodily process.
The Body's Pathway
This entire process is external and physical. It doesn't touch the 'heart'—the inner person, the seat of one's thoughts, intentions, and moral being. Therefore, Jesus is saying that what we physically consume cannot, by itself, make us morally unclean.
If food doesn't defile us, what does? Jesus points to a radical truth: our 'heart' is the true source of what makes us unclean.
Jesus contrasts the physical pathway of food with the true source of moral impurity: the human heart. He's not just refuting the Pharisees; he's revealing a deeper truth about human nature.
What Truly Pollutes?
Jesus is shifting the focus from outward actions (like washing hands) to the inward state of the heart. True purity or impurity isn't determined by external rules, but by the condition of our inner self.
This teaching comes during Jesus' ministry, directly confronting the meticulous ritual purity laws of the Pharisees, highlighting a core shift in understanding God's requirements from external practices to internal heart transformation.
c. 28-30 AD— this verse
Jesus' Public Ministry
Jesus is actively teaching, healing, and gathering followers across Galilee and surrounding regions.
Throughout Jesus' Ministry
Pharisaic Influence and Purity Laws
The Pharisees, a prominent Jewish sect, held significant influence, emphasizing strict adherence to ritual purity laws, including those concerning food and hand washing.
Early 30s AD
Disciples Question Jesus
Jesus' disciples approach him after he declares all foods clean, noting the offense taken by the Pharisees. They seek clarification on his teachings.
Early 30s AD
Jesus Teaches on Inner Purity
Jesus explains that true defilement comes not from external things like food, but from the wicked thoughts and actions originating within the human heart.
Mark's Gospel provides the fuller explanation, stating that the food is 'purged,' meaning it all goes out and 'never enters the heart,' directly reinforcing Jesus' point about physical matter being separate from moral impurity.
Romans 14:17This passage echoes Jesus' teaching by emphasizing that the 'kingdom of God is not a matter of eating and drinking,' but of righteousness, peace, and joy, showing the spiritual nature of God's reign over mere physical or ceremonial practices.
1 Corinthians 10:25Paul's instruction to 'Eat whatever is sold in the meat market,' without raising questions of conscience, directly applies Jesus' logic that physical food itself does not make one unclean, freeing believers from Old Testament dietary restrictions that Jesus is here dismantling.
Colossians 2:16Paul warns against letting anyone pass judgment 'about food and drink' or religious festivals, which directly relates to the Pharisees' concerns; this verse shows how Jesus’ teaching here liberates believers from such external regulations that are mere shadows.
Jeremiah 17:9While Matthew 15:17 focuses on what *doesn't* defile, Jeremiah 17:9 reveals the true source of defilement: 'The heart is more deceitful than all else and is desperately sick,' highlighting that the internal disposition is what truly matters, a crucial contrast to the Pharisees' outward focus.
barnesMatthew 15:17: "Do not ye yet understand, that whatsoever entereth in at the mouth goeth into the belly, and is cast out into the draught?"
Do ye not understand ... - The meaning of this may be thus expressed: The food which is eaten does not affect the mind, and therefore cannot pollute it. The doctrine of the Pharisees, that neglect of washing and of similar observances defiles a man, cannot be true. Those things pertain to the body as much as food does, and they cannot affect the soul. That…
calvinMatthew 15:10-20: "And he called the multitude, and said unto them, Hear, and understand:"
- And having called the multitudes to him, he said to them, Hear and understand. 11. What entereth into the mouth polluteth not the man, but what goes out of the mouth polluteth the man. 12. Then his disciples approaching said to him, Knowest thou that the Pharisees were offended when they heard that saying? 13. But he answering, said, Every plant which my heavenly Father hath not planted shall be roote…
Jesus is driving home the point that physical food is completely separate from spiritual purity, highlighting that the disciples still don't grasp that what goes into the body is simply processed and expelled, never reaching the core of a person's being where true defilement originates. He's subtly pointing out that their focus on external rituals misses the vital truth that only what comes out of a person, originating from their heart, can truly pollute them.
Jesus is responding to the Pharisees' criticism that his disciples aren't following their traditions about ritual washing. After explaining that true defilement comes from within the heart, not from external things, he addresses his disciples' confusion about the parable. He points out the obvious physical process of digestion to illustrate that food, by itself, doesn't morally contaminate a person.
Jesus is responding to the Pharisees' criticism that his disciples aren't following their traditions about ritual washing. After explaining that true defilement comes from within the heart, not from external things, he addresses his disciples' confusion about the parable. He points out the obvious physical process of digestion to illustrate that food, by itself, doesn't morally contaminate a person.
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"Do you not see that whatever goes into the mouth passes into the stomach and is expelled?" — Jesus is driving home the point that physical food is completely separate from spiritual purity, highlighting that the disciples still don't grasp that what goes into the body is simply processed and…
