Question 1

What does Peter mean by asking Jesus to “explain the parable,” and what does that show about the disciples in this moment?

Accepted Answer

In this scene, “parable” refers to the puzzling saying Jesus had just given about what goes into and comes out of a person. Peter’s request shows that the disciples heard the words but did not yet grasp the point. Jesus’ reply (“Do you also still not understand?”) confirms the confusion and frames the explanation as something they should be able to follow. The passage presents this as a private clarification, not a public debate: the disciples are trying to understand how Jesus’ teaching fits with familiar purity ideas and meal practices.

Question 2

How does Jesus use the body’s digestive process to support his argument (v.17)?

Accepted Answer

Jesus appeals to ordinary observation: food enters the mouth, goes into the stomach, and then leaves the body. He uses that basic process to argue that eating does not reach the person’s moral center. The point is not to deny that food affects the body, but to separate physical intake from the kind of “defilement” being discussed. The logic is: if food simply passes through, it cannot be the source of the inner corruption that makes someone morally unclean. That sets up the contrast with what “proceeds out of the mouth.”

Question 3

What is the relationship between “mouth,” “heart,” and “defilement” in vv.18–19?

Accepted Answer

Jesus links them in a chain. The “mouth” represents what becomes public—speech and, by extension, expressed behavior. What comes out of the mouth “comes from the heart,” meaning it originates in the inner self: thoughts, intentions, and desires. Defilement, then, is traced back to the heart as the source, not to external ingestion. The mouth matters because it reveals what is inside; it is the outlet through which the heart’s contents become observable. So defilement is not merely about external contact but about inner-originating evil that surfaces outwardly.

Question 4

How does the list of evils in v.19 function in Jesus’ explanation?

Accepted Answer

The list serves as evidence for what “defiles.” It moves from inner origin (“evil thoughts”) to serious actions and words that damage others and violate loyalty to God: murder, adultery, sexual sins, thefts, false testimony, and blasphemies. By naming these, Jesus clarifies that the issue is ethical and relational harm, not simply ritual status. The list also shows that defilement is not limited to one category of wrongdoing; multiple kinds of sins can arise from the same inner source. It supports his main claim that the heart is the fountainhead.

Question 5

What does v.20 conclude, and how does it connect back to the original dispute?

Accepted Answer

Verse 20 summarizes the argument: the items Jesus just listed are what defile a person, whereas eating with unwashed hands does not. This ties the private explanation back to the immediate controversy about handwashing traditions at meals. Jesus does not praise or criticize hygiene as such; he addresses what handwashing was being made to represent—whether failing to observe a tradition makes someone morally unclean. The conclusion re-centers the discussion on inner moral realities rather than external practices used as purity boundary markers.

Question 6

Based on this passage alone, what can be said—and not said—about the scope of Jesus’ teaching on food rules?

Accepted Answer

The passage clearly says that ordinary eating does not defile and explicitly denies that unwashed hands defile (vv.17, 20). It also grounds the defiling source in the heart (vv.18–19). What the passage does not explicitly do is state, in so many words, how every other food-related regulation should be treated in every setting. Some readers infer a wider conclusion from the general wording (“whatever goes into the mouth”), while others emphasize that the stated target is the handwashing dispute. The text supports the inside-out principle either way, even if scope beyond this scene is debated.

Matthew 15:15-20

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