John saw Jesus coming toward him and said, “Look, the Lamb of God, who takes away the sins of the world.” John 1:29.
Jesus is the Lamb of God; that is why he was not born in a palace but in a stable. He was not placed in a golden cradle but in a feedbox lined with straw. He was not born to live in luxury but to suffer and die on a cross in your place and mine.
There is no other way sin can be washed except with the blood of the Lamb of God.