Matthew • Part 35

Your Words Reveal Your Heart

Matthew 12:33–45

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Scripture • World English Bible

Matthew 12:33–45

WEB

33“Either make the tree good and its fruit good, or make the tree corrupt and its fruit corrupt; for the tree is known by its fruit.

34You offspring of vipers, how can you, being evil, speak good things? For out of the abundance of the heart, the mouth speaks.

35The good man out of his good treasure brings out good things, and the evil man out of his evil treasure brings out evil things.

36I tell you that every idle word that men speak, they will give account of it in the day of judgment.

37For by your words you will be justified, and by your words you will be condemned.”

38Then certain of the scribes and Pharisees answered, “Teacher, we want to see a sign from you.”

39But he answered them, “An evil and adulterous generation seeks after a sign, but no sign will be given to it but the sign of Jonah the prophet.

40For as Jonah was three days and three nights in the belly of the huge fish, so will the Son of Man be three days and three nights in the heart of the earth.

41The men of Nineveh will stand up in the judgment with this generation and will condemn it, for they repented at the preaching of Jonah; and behold, someone greater than Jonah is here.

42The Queen of the South will rise up in the judgment with this generation and will condemn it, for she came from the ends of the earth to hear the wisdom of Solomon; and behold, someone greater than Solomon is here.

43“When an unclean spirit has gone out of a man, he passes through waterless places seeking rest, and doesn’t find it.

44Then he says, ‘I will return into my house from which I came;’ and when he has come back, he finds it empty, swept, and put in order.

45Then he goes and takes with himself seven other spirits more evil than he is, and they enter in and dwell there. The last state of that man becomes worse than the first. Even so will it be also to this evil generation.”

World English Bible (WEB) • Public Domain

Reflection

Jesus makes a blunt but crucial point: the mouth is not merely a voice box for impulses; it reveals the heart. 'For out of the abundance of the heart, the mouth speaks.' Harsh words, flippant jokes, excuses, and defensive replies are not just momentary failures — they are evidence of what we treasure and where we dwell. A man who calls others names, minimizes sin, or constantly explains himself is showing what rules him.

Matthew pushes this further: every idle word matters. Our speech has moral weight. That truth can feel heavy — and it should. But the gospel gives a better way. Jesus points to repentance and to himself as the decisive sign. He is greater than Jonah; his death and resurrection open a new heart, not merely new rhetoric. When God transforms a man's heart, his words change: they bring encouragement, confession, correction in love, and patient endurance under suffering.

There is also a warning here about cleaned-but-empty hearts. Removing evil without filling the space with Christ leaves a man vulnerable to worse ruin. Swept and put in order isn’t enough; we must invite the Lord to live in us. True change is not surface neatness but Christ-formed character that produces lasting fruit. So start where Christ calls you: honest repentance, daily dependence, and intentional habits that let the King reshape your heart and your words.

Putting Faith Into Action

  1. Before you speak in a tense moment today, pause and pray one short sentence: 'Lord, help my words honor you.' Then speak slowly and simply.
  2. Choose one conversation this week where you've been defensive; confess one unkind or careless thing you said to the person and ask how you can make it right.
  3. Set up a weekly accountability check with a friend for four weeks: share one recurring angry, anxious, or lustful theme you notice in your speech and pray together for change.

Prayer

Lord Jesus, we confess how often our words wound, excuse, or hide what’s really in our hearts. Change us from the inside out. Give us courage to confess when we’ve spoken wrongly and to ask for forgiveness. Teach us restraint so our speech brings life, truth, and peace. Fill our hearts with your grace so good words flow from the treasure you place there. Guide us to repentance and to the rest found in you. Amen.

Memory Verse

Matthew 12:36 — I tell you that every idle word that men speak, they will give account of it in the day of judgment. (WEB)

“I tell you that every idle word that men speak, they will give account of it in the day of judgment.”

Bible Context

Read all of Matthew 12

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Matthew 12

World English Bible • WEB

1At that time, Jesus went on the Sabbath day through the grain fields. His disciples were hungry and began to pluck heads of grain and to eat.

2But the Pharisees, when they saw it, said to him, “Behold, your disciples do what is not lawful to do on the Sabbath.”

3But he said to them, “Haven’t you read what David did when he was hungry, and those who were with him:

4how he entered into God’s house and ate the show bread, which was not lawful for him to eat, nor for those who were with him, but only for the priests?

5Or have you not read in the law that on the Sabbath day the priests in the temple profane the Sabbath and are guiltless?

6But I tell you that one greater than the temple is here.

7But if you had known what this means, ‘I desire mercy, and not sacrifice,’ you wouldn’t have condemned the guiltless.

8For the Son of Man is Lord of the Sabbath.”

9He departed from there and went into their synagogue.

10And behold, there was a man with a withered hand. They asked him, “Is it lawful to heal on the Sabbath day?” so that they might accuse him.

11He said to them, “What man is there among you who has one sheep, and if this one falls into a pit on the Sabbath day, won’t he grab on to it and lift it out?

12Of how much more value then is a man than a sheep! Therefore it is lawful to do good on the Sabbath day.”

13Then he told the man, “Stretch out your hand.” He stretched it out; and it was restored whole, just like the other.

14But the Pharisees went out and conspired against him, how they might destroy him.

15Jesus, perceiving that, withdrew from there. Great multitudes followed him; and he healed them all,

16and commanded them that they should not make him known,

17that it might be fulfilled which was spoken through Isaiah the prophet, saying,

18“Behold, my servant whom I have chosen, my beloved in whom my soul is well pleased. I will put my Spirit on him. He will proclaim justice to the nations.

19He will not strive, nor shout, neither will anyone hear his voice in the streets.

20He won’t break a bruised reed. He won’t quench a smoking flax, until he leads justice to victory.

21In his name, the nations will hope.”

22Then one possessed by a demon, blind and mute, was brought to him; and he healed him, so that the blind and mute man both spoke and saw.

23All the multitudes were amazed, and said, “Can this be the son of David?”

24But when the Pharisees heard it, they said, “This man does not cast out demons except by Beelzebul, the prince of the demons.”

25Knowing their thoughts, Jesus said to them, “Every kingdom divided against itself is brought to desolation, and every city or house divided against itself will not stand.

26If Satan casts out Satan, he is divided against himself. How then will his kingdom stand?

27If I by Beelzebul cast out demons, by whom do your children cast them out? Therefore they will be your judges.

28But if I by the Spirit of God cast out demons, then God’s Kingdom has come upon you.

29Or how can one enter into the house of the strong man and plunder his goods, unless he first bind the strong man? Then he will plunder his house.

30“He who is not with me is against me, and he who doesn’t gather with me, scatters.

31Therefore I tell you, every sin and blasphemy will be forgiven men, but the blasphemy against the Spirit will not be forgiven men.

32Whoever speaks a word against the Son of Man, it will be forgiven him; but whoever speaks against the Holy Spirit, it will not be forgiven him, either in this age, or in that which is to come.

33“Either make the tree good and its fruit good, or make the tree corrupt and its fruit corrupt; for the tree is known by its fruit.

34You offspring of vipers, how can you, being evil, speak good things? For out of the abundance of the heart, the mouth speaks.

35The good man out of his good treasure brings out good things, and the evil man out of his evil treasure brings out evil things.

36I tell you that every idle word that men speak, they will give account of it in the day of judgment.

37For by your words you will be justified, and by your words you will be condemned.”

38Then certain of the scribes and Pharisees answered, “Teacher, we want to see a sign from you.”

39But he answered them, “An evil and adulterous generation seeks after a sign, but no sign will be given to it but the sign of Jonah the prophet.

40For as Jonah was three days and three nights in the belly of the huge fish, so will the Son of Man be three days and three nights in the heart of the earth.

41The men of Nineveh will stand up in the judgment with this generation and will condemn it, for they repented at the preaching of Jonah; and behold, someone greater than Jonah is here.

42The Queen of the South will rise up in the judgment with this generation and will condemn it, for she came from the ends of the earth to hear the wisdom of Solomon; and behold, someone greater than Solomon is here.

43“When an unclean spirit has gone out of a man, he passes through waterless places seeking rest, and doesn’t find it.

44Then he says, ‘I will return into my house from which I came;’ and when he has come back, he finds it empty, swept, and put in order.

45Then he goes and takes with himself seven other spirits more evil than he is, and they enter in and dwell there. The last state of that man becomes worse than the first. Even so will it be also to this evil generation.”

46While he was yet speaking to the multitudes, behold, his mother and his brothers stood outside, seeking to speak to him.

47One said to him, “Behold, your mother and your brothers stand outside, seeking to speak to you.”

48But he answered him who spoke to him, “Who is my mother? Who are my brothers?”

49He stretched out his hand toward his disciples, and said, “Behold, my mother and my brothers!

50For whoever does the will of my Father who is in heaven, he is my brother, and sister, and mother.”

World English Bible (WEB) • Public Domain

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