Concerning Lust
October 23, 2025
Theological Summary
Key insights and takeaways from the text.
In Matthew 5:27-30, Jesus profoundy redefines and intensifies the Sixth Commandment, moving beyond the mere external act of adultery to the internal disposition of the heart. He declares that a lustful glance is, in God's eyes, an act of adultery committed in one's heart. This passage is fundamentally important for Christians today because it exposes the true nature of sin as originating not just in outward actions, but in our inner desires and intentions. It challenges us to examine the purity of our hearts and minds, reminding us that God's standard of holiness encompasses our deepest thoughts and longings, not just our visible behaviors. The radical imagery of gouging out an eye or cutting off a hand serves as a powerful metaphor for the extreme measures Christians must be willing to take to eradicate sin from their lives. Jesus is not advocating for self-mutilation, but for a ruthless, uncompromising commitment to eliminate anything—whether it be a habit, an influence, a relationship, or an internal desire—that causes one to stumble into sin and separate from God. The passage underscores the severity of sin's consequences, highlighting that it is better to suffer significant loss in this life than to face eternal separation from God. For contemporary Christians, this passage calls for a deep and ongoing spiritual discipline. It demands not just behavioral modification, but a genuine transformation of the heart, aligning our inner world with God's perfect will. It compels us to identify and confront the root causes of our temptations, to cultivate vigilance over our thoughts, and to proactively remove sources of ungodly influence. Ultimately, Matthew 5:27-30 is a call to radical purity and holiness, reminding us of the seriousness of sin, the depth of God's moral expectations, and the ultimate priority of securing our eternal destiny through a life devoted to Christ.
Scripture
Matthew 5:27-30
Old Testament Connections
"You shall not commit adultery."
Exodus 20:14 establishes the foundational commandment against the act of adultery. Matthew 5:27-30 profoundly deepens and fulfills this Old Testament law by revealing its spiritual intent, asserting that the sin lies not just in the physical act but in the lustful desire of the heart, demanding radical internal purity.
"“I made a covenant with my eyesnot to look lustfully at a young woman."
Job 31:1 illustrates an Old Testament commitment to internal purity by controlling one's gaze, directly foreshadowing Jesus's teaching in Matthew 5:27-30. Jesus fulfills and deepens this spiritual understanding by declaring that lustful looking itself constitutes adultery of the heart, demanding a radical inner transformation.
A Moment of Prayer
A prayer inspired by today's topic.
Heavenly Father, I confess the struggle within my heart against lustful desires. I pray for your divine strength to overcome temptation and to fix my eyes on you, the author of purity. Cleanse my mind and spirit, Lord, that I may honor you with every thought and action. Help me to flee from anything that defiles your temple within me. Amen.
Historical Context
The world behind the Word.