What is the meaning of “make the tree good” in Matthew 12:33?

In Matthew 12:33, Jesus uses the image of a tree and its fruit to illustrate a principle about people’s character and actions. He states, “Either make the tree good and its fruit good, or make the tree bad and its fruit bad, for the tree is known by its fruit” (Matthew 12:33, ESV).

The Lord’s statement, “Make the tree good,” is part of a broader teaching in which Jesus challenges the hypocrisy of the Pharisees. Immediately after Jesus heals a demon-possessed man, these outwardly pious religious leaders accuse Him of working by the power of Satan (see Matthew 12:22–37). Thus, Jesus engages in a rhetorical confrontation with the Pharisees, intending to expose their inner unholiness, which they have hidden behind a mask of righteous performance and religious ritual.

Jesus says that a healthy (good) tree naturally produces good fruit, while a diseased (bad) tree produces bad fruit. The condition of the tree determines the quality of its fruit. Metaphorically, the “tree” represents a person’s inner nature—what is inside a person, his heart, mind, and motivations. The “fruit” represents his words, actions, and behaviors. A defiled heart is a tree only capable of producing bad fruit (see Matthew 15:18–19). To “make the tree good” means to transform the inner person so that his outward actions (the “fruit”) are also good.

Jesus is not suggesting that people can easily “make the tree good” and change themselves at will. Instead, He emphasizes that true goodness comes from within—from a transformed heart, made new by Jesus Christ and the inner work of the Holy Spirit (Ezekiel 36:26–27; 2 Corinthians 5:17; Romans 12:2).

The religious leaders may not have been guilty of obvious sins, but they were still deeply flawed and in need of transformation. Their true nature was showing itself through the rotten fruit of pride, ambition, greed, envy, and slanderous speech. Christ was essentially bringing their hidden evil into the light.

Jesus knew the inner characteristics of these hypocritical religious leaders. On multiple occasions, Jesus was described as “knowing what they were thinking” and discerning the motives in their hearts (Matthew 9:4; 12:25; 22:18; Luke 5:22). The Pharisees were bad trees producing bad fruit, and Jesus would not tolerate them making empty professions of righteousness while remaining insincere and unrepentant on the inside.

Earlier, John the Baptist had sternly warned the Pharisees with another tree-related metaphor: “Prove by the way you live that you have repented of your sins and turned to God. . . . Even now the ax of God’s judgment is poised, ready to sever the roots of the trees. Yes, every tree that does not produce good fruit will be chopped down and thrown into the fire” (Matthew 3:8–10, NLT).

Jesus calls all religious hypocrites to repent and turn to God. A person may appear “good” in some ways, yet the fruit will eventually manifest itself. Jesus wants all people to recognize their need, humble themselves, repent, and find genuine uprightness in a relationship with Jesus Christ. Only He can change a person from the inside out.

In order to make the tree good and its fruit good, there must be a conversion of heart that starts inside and is visible through outward behavior. In another teaching, Jesus said, “A good tree can’t produce bad fruit, and a bad tree can’t produce good fruit. A tree is identified by its fruit. Figs are never gathered from thornbushes, and grapes are not picked from bramble bushes. A good person produces good things from the treasury of a good heart, and an evil person produces evil things from the treasury of an evil heart” (Luke 6:43–45, NLT).

These verses encourage us to evaluate our inner condition. Are we attempting to prove our goodness through a smokescreen of actions and appearances, or are we consistently producing the good fruit of a hidden life in Christ? The apostle Paul urged, “Examine yourselves to see if your faith is genuine. Test yourselves. Surely you know that Jesus Christ is among you; if not, you have failed the test of genuine faith” (2 Corinthians 13:5, NLT; see also Lamentations 3:40). The examination process involves humbly asking God to search our hearts, test our thoughts, identify any offensive ways, and ultimately guide us along the path of eternal life (Psalm 26:2; 139:23–24). The goal is not self-condemnation but honest reflection in search of spiritual growth and alignment with God’s will.

Make the tree good in Matthew 12:33 means ensuring that our inner life—our character, motives, and heart—is rooted in the righteousness of Christ. Only then will our actions and words reflect true goodness, just as a healthy tree naturally bears good fruit.