​John is baptizing in the Jordan proclaiming a baptism of repentance.

"I am the voice of one crying in the desert, make straight the way of the Lord."

"One mightier than I is coming after me."

"I have baptized you with water, He will baptize you with the Holy Spirit."

Seeing Jesus, John exclaims: "Behold the Lamb of God."

After Jesus' baptism a voice from Heaven: "This is my beloved Son in whom I am well pleased."

The Spirit descends upon Jesus in the form of a dove.

In this heavenly manifestation is instituted the sacrament of baptism.

The divine Trinity is manifested: the voice of the Father is heard as the Spirit descends upon the Son.
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Filled with the Holy Spirit, Jesus was led by the Spirit into the desert for 40 days.