It's easy to see this as just a quote from Isaiah, but Luke deliberately places it amidst a detailed list of Roman and local rulers. This juxtaposition highlights how God's ultimate authority and plan are unfolding, not in a vacuum, but precisely within the messy, complex political landscape of that very moment.
As it is written in the book of the words of Isaiah the prophet, “The voice of one crying in the wilderness: ‘Prepare the way of the Lord, make his paths straight. Every valley shall be filled, and every mountain and hill shall be made low, and the crooked shall become straight, and the rough places shall become level ways, and all flesh shall see the salvation of God.’”
English Standard Version (ESV)
Luke sets the stage by pinpointing this moment in history, listing the Roman and regional rulers of the time to emphasize God's work amidst worldly powers. Into this era of political instability and expectation, John the Baptist emerges in the wilderness, a stark figure preaching a radical message of repentance. This prophetic voice is immediately identified with Isaiah's ancient words, signaling that a long-awaited divine intervention is about to unfold.
Why did God send a messenger into a desolate place, far from the crowds? What does this setting tell us about his message and his arrival?
A Message for the Marginalized
John the Baptist appears in the 'wilderness,' a place often associated with desolation, hardship, and separation. This wasn't an accident.
Spiritual Wasteland
A Radical Call
What does it mean to 'prepare the way' and 'make paths straight'? This wasn't about road construction; it was about transforming hearts.
Clearing the Obstacles
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The imagery of preparing roads for an arriving dignitary is ancient and powerful. John's task was to do this for no less than the Lord.
Spiritual Roadwork:
Divine Intervention:
Understand the original words
prophētēs · Greek Noun
One who speaks on behalf of God, delivering divine revelations, warnings, or prophecies to the people.
kyrios · Greek Noun
A title denoting divine sovereignty, mastery, and supreme authority, often used in the New Testament to refer to Jesus Christ as the incarnate God.
sarx · Greek Noun
A term frequently used to refer to all humanity, emphasizing human frailty, mortality, and our shared dependence on God. It suggests the universality of both sin and the availability of God’s grace.
sōtērion · Greek Noun
In a biblical context, it refers to the deliverance or rescue provided by God, specifically the eternal salvation from sin and death achieved through Jesus Christ. It denotes the act of God bringing about spiritual restoration and safety for His people.
This prophecy from Isaiah, originally given during the despair of exile, found its fulfillment in John the Baptist's ministry. It highlights how God's promises, though sometimes delayed, are ultimately realized in ways that bring hope and salvation to all people.
c. 740 BC
Isaiah's Prophecy
Isaiah the prophet delivers a message of comfort and future restoration to Judah, foretelling a great deliverance and the coming of God's salvation.
c. 586 BC
Fall of Jerusalem and Babylonian Exile
The Babylonians conquer Jerusalem, destroy the Temple, and deport many Israelites, leading to a period of exile and national crisis.
c. 539 BC
Cyrus the Great's Edict
Cyrus the Great of Persia conquers Babylon and allows the exiled Israelites to return to Jerusalem and rebuild their Temple.
c. 30 BC - 4 BC
Reign of Herod the Great
Herod the Great, an Idumean client king of Rome, rules Judea with a mix of building projects and political maneuvering.
AD 14
Death of Augustus, Tiberius Becomes Emperor
Augustus, the first Roman Emperor, dies, and his stepson Tiberius ascends to the throne, marking a transition in Roman imperial rule.
AD 28— this verse
Fifteenth Year of Tiberius's Reign
Luke precisely dates the start of John the Baptist's ministry to the fifteenth year of Emperor Tiberius's reign, a pivotal moment in Roman and Jewish history.
c. AD 28
John the Baptist Begins Ministry
John the Baptist, a prophetic figure, emerges in the wilderness of Judea, preaching repentance and baptizing people in the Jordan River.
This is the direct source passage that Luke is quoting, establishing John the Baptist as the fulfillment of Isaiah's prophecy about preparing the way for the Lord.
Matthew 3:1-3Matthew's Gospel also records John the Baptist's ministry and quotes the same Isaiah passage, highlighting the continuity of this prophetic announcement across the Gospels.
Mark 1:1-3Like Matthew and Luke, Mark begins his Gospel by identifying John the Baptist as the 'voice crying in the wilderness' and the one who prepares the way for Jesus.
Malachi 3:1This Old Testament passage foretells a messenger who will prepare the way before the Lord, which is seen as a precursor and parallel to the Isaiah prophecy quoted in Luke.
Exodus 14:21The imagery of God making a way through the Red Sea, making a straight path through impossible obstacles, echoes the divine power that John announces will smooth the way for the Lord's arrival.
calvinLuke 3:1-6: "Now in the fifteenth year of the reign of Tiberius Caesar, Pontius Pilate being governor of Judaea, and Herod being tetrarch of Galilee, and his brother Philip tetrarch of Ituraea and of the region of Trachonitis, and Lysanias the tetrarch of Abilene,"
- Now in those days John the Baptist comes, preaching in the wilderness of Judea, 2. And saying, Repent: [243] for the kingdom of heaven is at hand, 3. For this is he, of whom it has been spoken by Isaiah the prophet, who says, The…
pulpitLuke 3:4: "As it is written in the book of the words of Esaias the prophet, saying, The voice of one crying in the wilderness, Prepare ye the way of the Lord, make his paths straight."
Verse 4. - As it is written in the book of the words of Esaias the prophet, saying, voice of one crying in the wilderness. The prophet quoted (Isaiah 40:3) had been writing in his solitude, or more probably in some great popular assembly preaching to the people. There was doubtless at that time much national trou…
It's easy to see this as just a quote from Isaiah, but Luke deliberately places it amidst a detailed list of Roman and local rulers. This juxtaposition highlights how God's ultimate authority and plan are unfolding, not in a vacuum, but precisely within the messy, complex political landscape of that very moment.
Luke sets the stage by pinpointing this moment in history, listing the Roman and regional rulers of the time to emphasize God's work amidst worldly powers. Into this era of political instability and expectation, John the Baptist emerges in the wilderness, a stark figure preaching a radical message of repentance. This prophetic voice is immediately identified with Isaiah's ancient words, signaling that a long-awaited divine intervention is about to unfold.
Luke sets the stage by pinpointing this moment in history, listing the Roman and regional rulers of the time to emphasize God's work amidst worldly powers. Into this era of political instability and expectation, John the Baptist emerges in the wilderness, a stark figure preaching a radical message of repentance. This prophetic voice is immediately identified with Isaiah's ancient words, signaling that a long-awaited divine intervention is about to unfold.
"As it is written in the book of the words of Isaiah the prophet,
“The voice of one crying in the wilderness:
‘Prepare the way of the Lord,
make his paths straight. Every valley shall be filled,
and every mountain a…" — It's easy to see this as just a quote from Isaiah, but Luke deliberately places it amidst a detailed list of Roman and local rulers. This juxtaposition highlights how God's ultimate authority and pla…
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Last reviewed October 2026