The Lamb of God (John 1:18-34)
John the Baptist points away from himself to Christ, so that all may know that Christ is the Lamb of God who takes away the sin of the world.
I. Who Are You? (1:19-21)
A. Leaders’ First Question
1. “Who are you?” (1:19)
a. Not asking for genealogy—they likely know of his father, Zechariah.
b. Jewish leaders would be remiss to not examine John the Baptist.
B. John the Baptist’s First answer (1:20)
1. Confesses Christ by denying being him.
2. There were many itinerant claimants to Messiahship.
C. Leaders’ Second Question (1:21a)
1. “Are you Elijah?”
a. Matthew’s description of John the Baptist an allusion to Elijah (Matthew 3:4)
b. Rabbis frequently expounded on Elijah’s expected return (Malachi 4:5)
D. John the Baptist’s Second Answer
1. “I am not.”
E. Leaders’ Third Question (1:21b)
1. “Are you ‘The Prophet’?” (Deuteronomy 18:15)
F. John the Baptist’s Third Answer
2. Christ himself is ‘The Prophet’ (Acts 3:22; 7:37).
II. The Voice (1:22-28)
A. Leaders’ Fourth Question (1:22)
1.“Who are you? We need to give an answer to those who sent us. What do you say about yourself?”
B. John the Baptist’s Fourth Answer
1. “I am the voice of one crying out in the wilderness, ‘Make straight the way of the Lord,’ as the prophet Isaiah said.” (1:23)
2. Prophesied in Isaiah 40:1-8; see v. 3
3. A metaphorical call to repair the roads to ease the return of repentant Jews from Babylonian Captivity—the literal near fulfillment.
4. John the Baptist and his baptism of repentance (Luke 3:3) is the spiritual and ultimate far fulfillment.
5. John the Baptist is like a pre-battle bombardment to soften a target before an attack.
C. Leaders’ Fifth Question (1:25)
1. “The why are you baptizing, if you are neither the Christ, nor Elijah, nor the Prophet?”
D. John the Baptist’s Fifth Answer (1:26-27)
1. “I baptize with water, but among you stands one you do not know, even he who comes after me, the strap of whose sandal I am not worthy to untie.”
2. Like his confession by denial above, John the Baptist magnifies Christ by diminishing his own importance (John 3:30).
3. Christ was there, yet remained unrecognized (cf. John 1:10).
III. That He Might Be Revealed (John 1:29-34)
A. John 1:32-34 takes place after Jesus’ baptism.
B. “The next day he (John the Baptist) saw Jesus coming toward him, and said, ‘Behold, the Lamb of God, who takes away the sin of the world!’
1. John 1:29 is the gospel in a nutshell.
a. John the Baptist refers to Christ in terms of the Passover Lamb.
b. “The world” in John 1:29 does refer to all people in the world, but not all people without exception (see John 1:12).
C. John the Baptist’s twofold ministry
1. Negatively, he calls the Jews to his baptism of repentance.
2. Positively, he points to the Lord Jesus Christ to bear witness that he is the Son of God that they might believe.
D. If you believe in Christ, he has borne your sins; therefore, repent of your sins and reaffirm your faith in him in Christian worship.
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