Why is Jesus Called the Lamb of God?

File:Agnus Dei (The Lamb of God) by Zurbarán, San Diego Museum When John the Baptist came on the scene, encouraging people to repent of their sins and be baptized, he was like a throwback to the prophets of old. The people of Israel had not seen a prophet like John in over 400 years, and suddenly there he was preaching repentance with baptism and announcing that "someone" was coming whose sandals he was unworthy to untie (John 1:27).
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Servants would untie the sandals of anyone entering a ...