Jesus Said: “I AM the Light of the World”


And God said to Moses, “I AM WHO I AM.”
And He said, “Thus you shall say to the children of Israel,
‘I AM has sent me to you.’ ”

We read in Exodus chapter three (3:13-14) the earliest statement identifying God as the I AM:

13 Then Moses said to God, “Indeed, when I come to the children of Israel and say to them, ‘The God of your fathers has sent me to you,’ and they say to me, ‘What is His name?’ what shall I say to them?” 14 And God said to Moses, “I AM WHO I AM.” And He said, “Thus you shall say to the children of Israel, ‘I AM has sent me to you.’ ”

When God revealed His name, I AM, to Moses, He was not just giving Moses something to call Him—He was revealing His very being—self-existent, not created, dependent on no one, eternal, always present, and unchanging.

Jewish understanding linked this name with God’s absolute sovereignty and timeless being. God says “…I AM…,” claiming to be the first and the last, the only Savior.

In Isaiah 43:10, we find the Lord saying”

“You are My witnesses,” says the Lord, “And My servant whom I have chosen, That you may know and believe Me, And understand that I AM He. Before Me there was no God formed, Nor shall there be after Me.”

“I AM” is not just a name; it expresses God’s absolute, eternal, self-sufficient existence.

The “I AM” of the Old Testament also applies to Jesus, whom we know as the Son, one of the three persons of God…the One who came to save us. Knowing Him changes how we trust, worship, and live.

This evening, we consider the second recorded time Jesus used the term “I AM,” in John chapter eight.

It was early morning in Jerusalem. The previous night the great week-long celebration of the Festival of Tabernacles filled the temple courts with music, dancing, and light.

Massive golden lamps—some say on columns 75 feet high—had burned each night of the Festival in the Temple’s Court of the Women. People throughout Jerusalem could see the glow. The light commemorated the pillar of fire that guided Israel through the wilderness and symbolized the coming glory of God’s presence.



Jesus teaches in the temple courtyard.

But now it was morning. The light from the lampstands had been extinguished, and Jesus, sitting in the court where the lamps had blazed, was teaching a crowd of worshipers.

John reports that Jesus was among the Rabbis teaching in the courtyard. John wrote: “…early in the morning He came again into the temple, and all the people came to Him; and He sat down and taught them” (John 8:2).

While Jesus was teaching, a group of scribes and Pharisees interrupted Him, bringing a woman caught in adultery. We all know what happened. They meant to trap Jesus, to twist the Law into a weapon and discredit Him before the crowd. Instead, He silenced the accusers, and sent the woman away, forgiven and free.

The scribes and Pharisees left, defeated.

Jesus turned back to the crowd, and John 8:12 tells us:

12 When Jesus spoke again to the people, he said, “I AM the light of the world. Whoever follows me will never walk in darkness, but will have the light of life.” (John 8:12).

In His claim here to be “…the light of the world…” He takes the name or title of “I AM.”

Jesus as the “I AM” recalls John’s description of Him in chapter one (vv. 3-4) that:

All things were made through Him, and without Him nothing was made that was made. In Him was life, and the life was the light of men. And the light shines in the darkness, and the darkness did not comprehend it.

Jesus is not only the inexhaustible source of spiritual nourishment for us, but also the genuine light by which truth and falsehood can be distinguished and by which our direction in life can be established.

He is the “I AM,” the Light, the One who exposes hypocrisy, dispels shame, and offers a new way to walk as only God can do…the “I AM WHO I AM,” the self-existent, eternal God… oneness with the One we know as the triune God…united in three persons: the Father, Son, and Holy Spirit.

Jesus reinforces who He is even more clearly a few lines later in John chapter eight, verse 56-58, when Jesus tells His Jewish listeners: 56 Your father Abraham rejoiced to see My day, and he saw it and was glad.” 57 Then the Jews said to Him, “You are not yet fifty years old, and have You seen Abraham?” 58 Jesus said to them, “Most assuredly, I say to you, before Abraham was, I AM.”

This “I AM” claim confronted the Jews in the crowd, many of whom responded in anger, that He would claim to be God.

Everyone since His death have had the choice: to believe and have life (John 20:31) or reject and remain in darkness, as Jesus tells them in the 24th verse of chapter eight: “…if you do not believe that I AM He, you will die in your sins.”\For all of us, His followers, then and now, His “I AM” calls for trust, worship, and living daily as people devoted to Him, the “I AM,” the self-existent Lord.

Our Savior and Lord is God and Light, and as “…the light of the world…” He calls us to walk boldly in the blazing Light of His presence.

In John 8:12, we see Jesus as:

  • The Light of His Divine Identity
  • The Light of His Saving Power and Guiding Presence
  • The Light of His Life-Giving Hope

First, we will consider:

The Light of His Divine Identity

“I AM the light of the world.”

Jesus does not merely say, “I bring light.” He says, “I AM the light.” That phrase,“…I AM…,” would have stopped every Jew who heard His claim. They knew that God identified Himself to Moses at the burning bush: “I AM WHO I AM” (Exodus 3:14; in Hebrew can be translated to English literally either: “I will be what I will be” or “I AM WHO I AM”).

When God revealed His name “I AM” to Moses, He was not just giving Moses something to call Him—He was revealing His very being: eternal, unchanging, and self-existent.

The “I AM” bridges the Old and New Testaments. In the Old Testament, it is the personal covenant name of God, signifying His eternal, self-existent nature. In the New Testament, Jesus boldly claims this name, showing that He is God incarnate, the fulfillment of God’s promises and the source of life and salvation.

Note that John has been building the theme of Jesus being the Light since his gospel’s first chapter, where he tells us:

 4 In Him was life, and the life was the light of men. And the light shines in the darkness, and the darkness did not comprehend it” (John 1:4-5), and

9 That was the true Light which gives light to every man coming into the world (John 1:9).

Here, as in the Old Testament, the Light is a direct attribute of God.

David wrote in Psalm 27:1—“The Lord is my light and my salvation…,” and

Isaiah prophesied (9:2)—“The people who walked in darkness Have seen a great light; Those who dwelt in the land of the shadow of death, Upon them a light has shined.”

As devoted Christians, we recognize that Jesus claims what only God can claim—He, the “I AM,” is the ultimate source of truth, holiness, the light of His presence, and life.

Most of us have known Christ for many decades. We have taught, we have served, we have preached, we have been in the uttermost parts of the world with the massage of Jesus. And Jesus, the “I AM,” should still cause feelings of wonder and gratitude.

He is no mere moral teacher or inspirational figure, but God Himself…the I AM… Worship is our only fitting response.

Next, we will consider:

The Light of His Saving Power and Guiding Presence

“Whoever follows me will never walk in darkness…”

The light of Jesus, the “I AM,” …truly God…rescues the lost from their darkness. Darkness in Scripture is used to symbolize sin, ignorance, and death.

The Lord, using symbolic language, gives Isaiah a prophetic look at the future promised, that the support of his servant, Christ, in the doing of his will. Isaiah prophesied in 42:7 that the Servant would be “…as a light to the Gentiles, To open blind eyes, To bring out prisoners from the prison, Those who sit in darkness from the prison house.”

If we interpret this passage in terms of its ultimate fulfillment in Jesus, then it was through His earthly ministry with its climax…just as through his sufferings He died for our sins and rose again so we can inherit an eternal future with Him.

Jesus says, in John 12:46: “I have come as a light into the world, that whoever believes in Me should not abide in darkness” (John 12:46).

Some of us carry decades of private regret—past sins, failures in ministry, and broken relationships with colleagues or family.

The light of our Savior and Lord exists to deliver us, from the darkness of sin, from the darkness of doubt, and from the darkness of despair. In fact, in Psalm 27:1, David tells us:

The Lord is my light and my salvation; Whom shall I fear? The Lord is the strength of my life; Of whom shall I be afraid?

Even for people in later life, as we are, the light of His saving and sustaining work is present, it is personal, and it is powerful. We do not have to stumble in old guilt or silent despair.

Notice that our not walking in darkness is conditional: “Whoever who follows Me…” Jesus’ light is not for passive regard; it is for us, His disciples. That means we are called  “to walk closely behind” or “to stay in step” with our Savior and Lord. Just as the Israelites faithfully followed the pillar of cloud by day and fire by night through the wilderness (Exodus 13:21–22), we are called to follow the light of Christ’s living presence.

In Psalm 119:105, the psalmist declares: “Your word is a lamp to my feet And a light to my path...” Jesus fulfills that Word in person. Later in John 12, He warns: “Walk while you have the light, lest darkness overtake you … believe in the light, that you may become sons of light” (v. 36).

And for us, the Holy Spirit tells us in John’s first epistle: This is the message which we have heard from Him and declare to you, that God is light and in Him is no darkness at all. If we say that we have fellowship with Him, and walk in darkness, we lie and do not practice the truth. But if we walk in the light as He is in the light, we have fellowship with one another, and the blood of Jesus Christ His Son cleanses us from all sin” (1 John 1:5-7).

The call of our Savior and Lord to us is as fresh today as it was when we were young. His call is for us to “…walk in the light as He is in the light…” to continually seek Him through His Word…to keep praying for guidance every moment of every day…to walk with Christ step by step…and to teach the next generation about Jesus, whether they be your grandchildren, greatgrandchildren, or other young believers. Write emails and letters, talk to them about their Savior. I even post scriptures on social media. I know they follow.

I am particularly affected by the writer of the book of Hebrews, through whom the Holy Spirit advises us: “…let us run with endurance the race that is set before us, looking unto Jesus, the author and finisher of our faith, who for the joy that was set before Him endured the cross, despising the shame, and has sat down at the right hand of the throne of God” (Hebrews 12:1-2).

Finally, I want to consider:

The Light of His Life-Giving Hope

“…the light of life…”

Jesus promises not only to rescue and guide us as his disciples, but also that we will experience: “…the light of life…,” that is, an eternal, vibrant, unquenchable life.

John’s inspired message begins in John chapter one with the promise: “In Him was life, and the life was the light of men” (John 1:4) and ends with his description of the New Jerusalem: 23 The city had no need of the sun or of the moon to shine in it, for the glory of God illuminated it. The Lamb is its light.” (Rev 21:23).

For us, life with Christ can be as vibrant as ever, though we are retired…think of it not as sunset but sunrise.

Always remember Jesus’ words:

12 When Jesus spoke again to the people, he said, “I AM the light of the world. Whoever follows me will never walk in darkness, but will have the light of life” (John 8:12).

We have served Him faithfully in pulpits and classrooms, in mission fields and homes, in board meetings and prayer rooms. But the question before us now is not, “Have we once followed Him?” It is, “Are we still following Him—closely, joyfully, radiantly?”

Christ still leads, still illumines our path ahead. Retirement is not the end of our pilgrimage, but a new stage of following His light with clearer eyes and steadier hearts.

So, let me ask:
Is your faith complacent or alive and vigorous? Hear again the voice of Jesus—calling us to rekindle our faith, to
“…walk in the light, as He is in the light…” (1 John 1:7).

You still have a testimony to give, a prayer life that can be vigorous and effective…Christ’s light in each of us is not diminished by the years; so, let it shine all the brighter because it has passed through many storms.

Hear the promise from our Savior and Lord: as Christians, we “…have the light of life.”

Present hope and eternal joy are already ours.

We walk daily in the dazzling light of His presence, the “…I AM…” who is “…the Light of the world.”

Amen

 

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