This verse highlights that "evil thoughts" come first, even before outward actions like murder or theft. It shows us that the real pollution isn't from external sources, but from the internal deliberations and desires of our minds and hearts.
For from within, out of the heart of man, come evil thoughts, sexual immorality, theft, murder, adultery, coveting, wickedness, deceit, sensuality, envy, slander, pride, foolishness. All these evil things come from within, and they defile a person.”
English Standard Version (ESV)
Jesus is directly confronting the religious leaders’ obsession with outward ritual purity. He clarifies that true defilement doesn't come from what someone eats or fails to wash their hands of, but from the inner corruption of the human heart. This verse lists the sinful thoughts and actions that originate from this inner source, directly contradicting the Pharisees' focus on external traditions.
Jesus points to an inner source of corruption that shocks us with its familiarity. It's not external rules, but something deep within.
Jesus declares that the true source of what defiles a person isn't outside, but inside. He uses the word 'heart' not just for emotions, but for the core of our being – our inner self, our mind, our will, and our desires.
From this inner core spring all sorts of 'evil thoughts' and actions. The text lists specific sins like sexual immorality, theft, and murder. These aren't random acts but flow directly from the heart's condition. This reveals a radical truth: we are not inherently good, but naturally inclined toward sin from our very core.
Jesus wasn't just arguing about food laws. He was redefining what truly makes us unclean in God's eyes.
In Jesus' day, religious leaders focused heavily on external purity – washing hands, specific dietary laws. But Jesus cuts through all that. He's saying that these external rituals don't truly address the core problem.
What 'pollutes' a person isn't what they eat or how they wash their hands; it's what comes out of their heart. This is a radical shift. Defilement, in God's sight, is fundamentally a matter of the inner self, of the sin that originates and resides within us. The outward actions are just the symptoms of this internal disease.
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dialogismoi kakoi · Greek Noun phrase
General moral corruption, malice, or depravity that originates within the human condition and manifests in sinful attitudes and behaviors.
porneiai · Greek Noun
A broad term for any form of sexual activity outside of the covenant of marriage between a man and a woman, including premarital sex, prostitution, and general impurity.
klopai · Greek Noun
The act of taking what belongs to another without permission, violating the commandment against stealing and reflecting a lack of trust in God's provision.
phonoi · Greek Noun
The unlawful and intentional taking of human life; it is the ultimate expression of hatred and violation of the image of God in man.
moicheiai · Greek Noun
Sexual relations involving at least one person who is married to someone else, breaking the covenant vow made before God and spouse.
pleonexiai · Greek Noun
An intense, sinful desire for what belongs to another or a greedy desire for illicit gain, contrary to contentment in God.
ponēriai · Greek Noun
Moral depravity, malice, or evil intentions that actively manifest in harmful actions toward others.
dolos · Greek Noun
The act of misleading others through falsehood, trickery, or craftiness, often with the intent to harm or manipulate.
aselgeia · Greek Noun
Unrestrained indulgence in fleshly appetites and desires, characterized by a lack of moral shame or self-control.
ophthalmos ponēros · Greek Noun phrase
Painful or resentful awareness of an advantage enjoyed by another, often accompanied by a desire to deprive them of it.
blasphēmia · Greek Noun
Malicious or defamatory speech against another person, often involving gossip or speaking against someone's character.
hyperēphania · Greek Noun
An attitude of self-exaltation and arrogance, viewing oneself as superior to others and independent of God.
aphrosunē · Greek Noun
A lack of spiritual understanding or wisdom; moral stupidity that ignores God’s truth and reality.
koinoo · Greek Verb
To make someone or something spiritually or ritually unclean and unacceptable before a holy God.
This teaching from Jesus directly challenged the core practices and authority of the Pharisees, pushing back against a system of outward ritual purity. It laid groundwork for the later understanding that true spirituality is an internal transformation, not mere adherence to external rules.
c. 28 AD— this verse
Jesus teaches on true purity
Jesus publicly challenges the Pharisees' emphasis on ritual purity laws, teaching that true defilement comes from the heart, not from external sources like ritually unclean foods.
c. AD 30-33
Jesus' ministry and opposition
Jesus' teachings, including those on inner purity, provoke increasing opposition from the religious authorities who see His message as a threat to their traditions and authority.
c. AD 30-33
Disciples seek clarification
After Jesus teaches the multitude, His disciples, confused by the radical nature of His teaching on purity, privately ask for an explanation, highlighting the challenging implications of His words.
c. AD 45-50
Apostle Paul expands on inner purity
The Apostle Paul, in his letters, further elaborates on Jesus' teaching, emphasizing that salvation and true righteousness are internal, a work of the Spirit, not based on external religious observances.
c. AD 60-65
Gospel of Mark written
The Gospel of Mark is written, preserving Jesus' teachings and emphasizing His confrontation with the religious establishment, including His profound statement about the source of defilement originating from the human heart.
This passage echoes Mark 7:21 by stating that the human heart is deceitful and desperately wicked, emphasizing that the source of sin lies within us, not from external things.
Matthew 15:19This parallel account from Matthew lists many of the same evils originating from the heart, reinforcing Jesus' teaching that our inner being is the true source of defilement.
Romans 7:18Paul's confession in Romans speaks to the internal struggle, agreeing with Mark 7:21 that 'I know that nothing good dwells in me, for willing is present in me, but the doing of what is right is not.' This highlights the heart's corrupt nature.
Galatians 5:19-21This passage directly lists 'works of the flesh' which align with the impurities mentioned in Mark 7:21, showing how these inner corruptions manifest in outward actions.
vincentMark 7:21: "For from within, out of the heart of men, proceed evil thoughts, adulteries, fornications, murders,"
Evil Thoughts (διαλογισμοὶ οἱ κακοὶ)Thoughts, those which are evil So Rev., in margin. Thoughts that are evil. The word διαλογισμοὶ, thoughts, does not in itself convey a bad sense; and hence the addition of adjectives denoting evil, as here and James 2:4. Radically, it carries the idea of discussion or debate, with an under-thought of suspicion or doubt, either with one's own mi…
gillMark 7:21: "For from within, out of the heart of men, proceed evil thoughts, adulteries, fornications, murders,"
For from within, out of the heart of man,.... The inside of man is very bad, his inward part is not only wicked, but wickedness itself, yea, very wickedness, Psalm 5:9 , in him dwells no good thing naturally, his heart is wicked, and desperately so; it is full of evil; and out of the abundance of it, proceed the evil things hereafter mentioned; all its powers and faculties are vitiat…
This verse highlights that "evil thoughts" come first, even before outward actions like murder or theft. It shows us that the real pollution isn't from external sources, but from the internal deliberations and desires of our minds and hearts.
Jesus is directly confronting the religious leaders’ obsession with outward ritual purity. He clarifies that true defilement doesn't come from what someone eats or fails to wash their hands of, but from the inner corruption of the human heart. This verse lists the sinful thoughts and actions that originate from this inner source, directly contradicting the Pharisees' focus on external traditions.
Jesus is directly confronting the religious leaders’ obsession with outward ritual purity. He clarifies that true defilement doesn't come from what someone eats or fails to wash their hands of, but from the inner corruption of the human heart. This verse lists the sinful thoughts and actions that originate from this inner source, directly contradicting the Pharisees' focus on external traditions.
"For from within, out of the heart of man, come evil thoughts, sexual immorality, theft, murder, adultery, coveting, wickedness, deceit, sensuality, envy, slander, pride, foolishness. All these evil things come from within, and they defile…" — This verse highlights that "evil thoughts" come first, even before outward actions like murder or theft. It shows us that the real pollution isn't from external sources, but from the internal delib…
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Last reviewed October 2026
