Prophet · Royal counselor

Isaiah

Period~740 BC - after 701 BC
Summary
Isaiah was the greatest writing prophet of Judah, called in a vision in the temple and sent to counsel four kings amid wars and political crises. His prophecies united judgment and comfort, and anticipated with striking detail the Suffering Servant whom the church recognizes in Jesus Christ.
Who was Isaiah
Biography

Who has never felt that they lacked the talent, preparation, or purity needed for the task life demanded of them? That sense of smallness before something too great is the starting point of the story of Isaiah, one of the greatest prophets in the Bible.

Isaiah was an educated man, close to the royal court of Judah, when he had an overwhelming vision of the Lord enthroned in the temple, surrounded by seraphim crying out, “Holy, holy, holy” (Isaiah 6:3). Before such holiness, all he could say was, “Woe to me! I am ruined!” (Isaiah 6:5).

A seraph touched his lips with a live coal from the altar, and God forgave his impurity. Only then came the invitation: “Whom shall I send? And who will go for us?” Isaiah answered without hesitation: “Here am I. Send me!” (Isaiah 6:8).

From then on, he ministered for decades under four kings of Judah, counseling each of them in the most tense moments of regional politics. Before King Ahaz, threatened by enemy armies, he announced the sign of Immanuel (Isaiah 7:14). Before Hezekiah, besieged by the mighty Assyrian army in Jerusalem, he assured him that the city would not fall, and it did not fall (Isaiah 37).

Isaiah united two messages that rarely coexist well: severe judgment against his people’s sin and the deep comfort of a God who restores. He was the one who described, centuries in advance and in remarkable detail, the Suffering Servant who would be “pierced for our transgressions” (Isaiah 53:5).

Jewish tradition records that he was martyred during the reign of King Manasseh, Hezekiah’s successor, although the Bible does not narrate this outcome directly.

Isaiah’s life teaches that God’s call does not wait for perfect people, he purifies those who respond. And his most famous words, “here am I, send me,” remain the echo that carries across generations of ordinary Christians who decide to say yes before they feel ready.

Defining verses

Then I heard the voice of the Lord saying, "Whom shall I send? And who will go for us?" And I said, "Here am I. Send me!"

Isaiah 6:8

For to us a child is born, to us a son is given, and the government will be on his shoulders. And he will be called Wonderful Counselor, Mighty God, Everlasting Father, Prince of Peace.

Isaiah 9:6

But he was pierced for our transgressions, he was crushed for our iniquities; the punishment that brought us peace was on him, and by his wounds we are healed.

Isaiah 53:5

Visions, prophecies, and deeds

Vision of calling in the temple

Isaiah sees the Lord enthroned, surrounded by seraphim crying Holy, holy, holy, confesses his impurity, and is purified before accepting the mission.

Isaiah 6:1-8

Sign of Immanuel

Before King Ahaz, threatened by Israel and Syria, Isaiah announces that a virgin will conceive a son named Immanuel, God with us.

Isaiah 7:10-14

Prophecy of the Wonderful Counselor

He announces the birth of a child whose government and names reveal the deity of the awaited Messiah.

Isaiah 9:6-7

Sign against the alliance with Egypt

By God's command, he walks barefoot and without a cloak for three years in Jerusalem, a prophetic sign against trusting in Egypt and Cush.

Isaiah 20:1-6

Deliverance of Jerusalem from the Assyrian siege

He assures King Hezekiah, besieged by Sennacherib's army, that the city would not fall, and that same night the Assyrian camp was struck down.

Isaiah 37:5-7,36

Hezekiah's healing and the sign of the shadow

He announces the healing of Hezekiah's fatal illness and confirms the word with the sign of the shadow moving back on the sundial.

Isaiah 38:1-8

Prophecies of the Suffering Servant

He writes the Servant Songs, describing one who would be rejected, pierced for the transgressions of the people, and exalted by God, the most quoted messianic text from the Old Testament in the New Testament.

Isaiah 52:13-53:12
Timeline
~740 BC

Vision of calling in the temple, in the year King Uzziah died

Isaiah 6:1-8

~735 BC

Counsels King Ahaz during the Syro-Ephraimite crisis and announces the sign of Immanuel

Isaiah 7

~711 BC

Walks barefoot and without a cloak for three years as a sign against the alliance with Egypt

Isaiah 20

~701 BC

Counsels Hezekiah during the siege of Jerusalem by the Assyrian king Sennacherib

Isaiah 36-37; 2 Kings 19

~701 BC

Announces the healing and the lengthening of Hezekiah's life

Isaiah 38

date unknown

Writes the prophecies of the Suffering Servant and the future restoration of Israel

Isaiah 40-55

Portrait

He responded to God's call with total readiness, saying here am I, send me, even after feeling unworthy (Isaiah 6:8).

He maintained prophetic faithfulness before four different kings, without trading the message for political popularity.

He counseled King Hezekiah to trust in God, not in military alliances, during the Assyrian siege of Jerusalem (Isaiah 37).

He produced the most extensive and detailed messianic literature in the Old Testament, shaping the hope of Israel.

He united in his preaching the announcement of judgment with the promise of restoration and comfort (Isaiah 40:1).

He openly confessed his personal impurity before the holiness of God, acknowledging that he was a man of unclean lips and feeling ruined before the Lord (Isaiah 6:5).

Lessons and legacy
Lessons from their life

You do not need to feel worthy to respond to God's call, purification comes before being sent (Isaiah 6:6-7).

It is possible to maintain prophetic integrity even while working closely with political power, counseling kings without becoming their hostage.

Trusting in God, rather than in human alliances or seemingly safe methods, is the real test of faith in moments of crisis (Isaiah 37).

Proclaiming the truth includes both the denunciation of sin and the promise of comfort, one without the other distorts the message (Isaiah 40:1-2).

God's work spans generations: Isaiah prophesied for a people who would only see its full fulfillment centuries later.

Missionary legacy

Here am I, send me (Isaiah 6:8) has become the classic verse of missionary calling throughout church history.

Isaiah prophesied that the light of salvation would reach the ends of the earth through the Servant of the Lord (Isaiah 49:6), a text quoted by Paul and Barnabas to justify the mission to the Gentiles (Acts 13:47).

He announced that the nations would one day walk in the light of Jerusalem and seek God (Isaiah 2:2-3; 60:3).

His prophecy of the Suffering Servant (Isaiah 53) is today one of the most widely used texts in world evangelism, including among peoples who have never heard the name of Jesus.

The book of Isaiah is one of the most widely used in Bible translation ministries among still unreached peoples, because of its messianic clarity.

Family and context
Family and relationships
Father Amoz (Isaiah 1:1)
Wife The prophetess (Isaiah 8:3)
Son Shear-Jashub (Isaiah 7:3)
Son Maher-Shalal-Hash-Baz (Isaiah 8:3)
Contemporary King Hezekiah (Isaiah 37:21)
Contemporary Prophet Micah (Micah 1:1)
Nations mentioned

Assyria

Isaiah 10:5

Babylon

Isaiah 13:1

Egypt

Isaiah 19:1

Moab

Isaiah 15:1

Syria (Damascus)

Isaiah 17:1

Tyre

Isaiah 23:1

Related places

Jerusalem

Capital of Judah, the setting of his calling and much of his ministry (present-day Israel/Palestine)

Temple of Jerusalem

Site of the prophetic calling vision (Isaiah 6)

Judah

The kingdom where he ministered under four kings

Assyria

Empire that threatened Judah, in the north of present-day Iraq

Babylon

Power prophesied as the future conqueror and site of the exile, in present-day Iraq

Egypt

Military alliance condemned by Isaiah as a false security

Where to find them in the Bible
Where to find them in the Bible

Isaiah's life and ministry are recorded in the book that bears his name, especially chapters 1-39 (prophecies under the kings of Judah) and 36-39 (the historical account of Sennacherib's siege and Hezekiah's illness). He is also mentioned in 2 Kings 19-20 and 2 Chronicles 26:22; 32:20,32, and quoted extensively in the New Testament, for example in Matthew 1:23 and Acts 8:32-33.

Other people