Mark 8:14-21 Meaning: Do You Still Not Understand?
14They forgot to take bread; and they didn’t have more than one loaf in the boat with them.
15He warned them, saying, “Take heed: beware of the yeast of the Pharisees and the yeast of Herod.”
16They reasoned with one another, saying, “It’s because we have no bread.”
17Jesus, perceiving it, said to them, “Why do you reason that it’s because you have no bread? Don’t you perceive yet or understand? Is your heart still hardened?
18Having eyes, don’t you see? Having ears, don’t you hear? Don’t you remember?
19When I broke the five loaves among the five thousand, how many baskets full of broken pieces did you take up?” They told him, “Twelve.”
20“When the seven loaves fed the four thousand, how many baskets full of broken pieces did you take up?” They told him, “Seven.”
21He asked them, “Don’t you understand yet?”
14Now the disciples had forgotten to take bread, neither had they in the ship with them more than one loaf.
15And he charged them, saying, Take heed, beware of the leaven of the Pharisees, and of the leaven of Herod.
16And they reasoned among themselves, saying, It is because we have no bread.
17And when Jesus knew it, he saith unto them, Why reason ye, because ye have no bread? perceive ye not yet, neither understand? have ye your heart yet hardened?
18Having eyes, see ye not? and having ears, hear ye not? and do ye not remember?
19When I brake the five loaves among five thousand, how many baskets full of fragments took ye up? They say unto him, Twelve.
20And when the seven among four thousand, how many baskets full of fragments took ye up? And they said, Seven.
21And he said unto them, How is it that ye do not understand?
14And they forgot to take bread; and they had not in the boat with them more than one loaf.
15And he charged them, saying, Take heed, beware of the leaven of the Pharisees and the leaven of Herod.
16And they reasoned one with another, saying, We have no bread.
17And Jesus perceiving it saith unto them, Why reason ye, because ye have no bread? do ye not yet perceive, neither understand? have ye your heart hardened?
18Having eyes, see ye not? and having ears, hear ye not? and do ye not remember?
19When I brake the five loaves among the five thousand, how many baskets full of broken pieces took ye up? They say unto him, Twelve.
20And when the seven among the four thousand, how many basketfuls of broken pieces took ye up? And they say unto him, Seven.
21And he said unto them, Do ye not yet understand?
14and they forgot to take loaves, and except one loaf they had nothing with them in the boat,
15and he was charging them, saying, `Take heed, beware of the leaven of the Pharisees, and of the leaven of Herod,'
16and they were reasoning with one another, saying--`Because we have no loaves.'
17And Jesus having known, saith to them, `Why do ye reason, because ye have no loaves? do ye not yet perceive, nor understand, yet have ye your heart hardened?
18Having eyes, do ye not see? and having ears, do ye not hear? and do ye not remember?
19When the five loaves I did brake to the five thousand, how many hand-baskets full of broken pieces took ye up?' they say to him, `Twelve.'
20`And when the seven to the four thousand, how many hand-baskets full of broken pieces took ye up?' and they said, `Seven.'
21And he said to them, `How do ye not understand?'
14And they forgot to take bread, and save one loaf, they had not [any] with them in the ship.
15And he charged them, saying, Take heed, beware of the leaven of the Pharisees and [of] the leaven of Herod.
16And they reasoned with one another, [saying], It is because we have no bread.
17And Jesus knowing [it], says to them, Why reason ye because ye have no bread? Do ye not yet perceive nor understand? Have ye your heart [yet] hardened?
18Having eyes, see ye not? and having ears, hear ye not? and do ye not remember?
19When I broke the five loaves for the five thousand, how many hand-baskets full of fragments took ye up? They say to him, Twelve.
20And when the seven for the four thousand, the filling of how many baskets of fragments took ye up? And they said, Seven.
21And he said to them, How do ye not yet understand?
Meaning in one sentence
Jesus warns against the leaven of Pharisees and Herod, but disciples worry about bread.
Context
The disciples have just watched Jesus feed thousands of people with almost nothing. Now they are in a boat with a single loaf of bread between them. Jesus warns them about the leaven of the Pharisees and Herod, but their minds go straight to their empty stomachs. They think he is talking about real bread. Jesus responds with a series of sharp questions. He reminds them of two recent miracles: five thousand fed with five loaves, then four thousand with seven. He asks why they still do not see or hear or remember. Mark places this scene right after a tense confrontation with the Pharisees, who demanded a sign from heaven. The disciples’ confusion highlights how easy it is to miss spiritual truth when we are obsessed with practical worries.
Key Words
Three Greek words carry the weight of this passage. First, leaven (zumē). In the Old Testament, leaven usually stands for sin or corruption that spreads through the whole batch of dough. Jesus uses it to describe the teaching and way of life of the Pharisees and Herod. Second, hardened (pepōrōmenēn). This word comes from a root meaning to cover with a thick callus. It pictures a heart that has become dull, unable to feel or understand. Jesus asks if their hearts are hardened not as a final judgment but as a wake-up call. Third, remember (mnēmoneuō). The word carries more than simple recall. It means to hold something in mind so that it shapes how you live. The disciples had been present for the feedings, but the memory had not taken root. Jesus wants them to connect his past provision with their present need.
How Christians Read This Verse
Christians across traditions have found different emphases in this passage. Many Protestant commentators point to the leaven as a symbol of false doctrine, the corrupt teaching of the Pharisees and the worldly compromise of the Herodians. They see the disciples’ literal-mindedness as a warning to focus on spiritual truth rather than material concerns. Catholic and Orthodox traditions have connected the feedings to the Eucharist: Jesus who breaks bread and multiplies it is the same Lord who gives himself as spiritual food. The one loaf in the boat has been seen as an image of Christ himself, the one true bread. All traditions agree that Jesus’ patient questions invite us to deeper trust.
A common misunderstanding
A common misreading is that Jesus is warning the disciples about avoiding the actual bread made by Pharisees or followers of Herod, as if it might be poisoned. In fact, the word “leaven” is a metaphor for corrupting influence. Matthew Henry notes that the leaven represents the doctrine and behavior of the Pharisees and Sadducees (and in Mark, Herod). The disciples take him literally because they are worried about physical hunger. Jesus corrects them by pointing to the feedings, showing that he is not concerned about a shortage of bread but about their failure to grasp the deeper danger of spiritual corruption.
Living This Out
This week, pay attention to what dominates your thoughts when you feel a lack. Perhaps it is money, time, energy, or approval. Notice how quickly you start to worry and scheme, forgetting what Jesus has already done for you. Take five minutes to write down two or three specific times God provided for you in the past. Then ask: is there any “leaven” in your life a teaching or habit that is quietly pushing you away from trust in him? The leaven of the Pharisees might show up as a need to appear righteous. The leaven of Herod might be the lure of power or status. Let Jesus’ question “Do you still not understand?” become an invitation to remember and trust.
Main takeaway: Jesus, who provides abundantly, asks us to trust Him and beware of the hidden corruption of false teaching.
For Families
For ages 5, 8
The disciples forgot to bring bread, and they only had one loaf. Jesus said, “Watch out for the yeast of the Pharisees.” He wanted them to remember that he can make more than enough food. Don’t worry when you don’t have enough God will take care of you.
For ages 9, 12
Jesus had just fed thousands of people with almost no food, but the disciples still panicked when they only had one loaf for themselves. Jesus warned them about “yeast” bad teaching that spreads like yeast through dough. He wanted them to understand that he provides everything they need, and to be careful about who influences them. When you feel like you don’t have enough, remember what God has already done for you. And be careful what ideas you let into your heart they can grow and take over.
Questions People Ask
Why did the disciples think Jesus was talking about physical bread?
They had just realized they forgot to bring bread and only had one loaf. When Jesus warned about the leaven of the Pharisees, they assumed he was scolding them for not having enough bread. Their minds were fixed on their lack, so they heard a literal meaning that was not there.
What does the leaven of the Pharisees mean?
In the Bible, leaven often symbolizes sin or corruption that spreads. Here Jesus uses it to warn against the teaching and hypocrisy of the Pharisees. Matthew's parallel passage explicitly says leaven refers to their doctrine (Matthew 16:12). Mark also adds 'the leaven of Herod,' which likely refers to the worldly and corrupt politics of Herod's court.
Why does Mark mention that they had only one loaf?
Mark is the only Gospel to include this detail. It emphasizes just how little they had after witnessing two massive feedings. The contrast between the one loaf and the baskets full of leftovers from the feedings highlights the disciples' forgetfulness and lack of faith. Their practical worry blinds them to Jesus' power.
What does it mean to have a hardened heart in this passage?
The Greek word for hardened (pepōrōmenēn) comes from a term meaning to cover with a callus. Jesus is not accusing the disciples of permanent rebellion but of a temporary dullness. They have witnessed miracles but have not let those experiences shape their thinking. Hardness here means a failure to understand and apply what God has shown them.
For pastors & researchers
Greek interlinear, 8 commentaries & word study