John preached about the Doctrines

First Advent

Matthew 3:11

“I baptize you with water for repentance. But after me will come one who is more powerful than I, whose sandals I am not fit to carry. He will baptize you with the Holy Spirit and with fire.

John 1:29

The next day John saw Jesus coming toward him and said, “Look, the Lamb of God, who takes away the sin of the world!

Second Advent

Matthew 3:12

His winnowing fork is in his hand, and he will clear his threshing floor, gathering his wheat into the barn and burning up the chaff with unquenchable fire.”

Luke 3:17

His winnowing fork is in his hand to clear his threshing floor and to gather the wheat into his barn, but he will burn up the chaff with unquenchable fire.”

Judgment on Sin

Matthew 3:10

The ax is already at the root of the trees, and every tree that does not produce good fruit will be cut down and thrown into the fire.

Salvation

Luke 3:6

And all mankind will see God's salvation.’”

John 1:29

The next day John saw Jesus coming toward him and said, “Look, the Lamb of God, who takes away the sin of the world!

Love to others

Luke 3:11

John answered, “The man with two tunics should share with him who has none, and the one who has food should do the same.”

Honesty in business

Luke 3:13

“Don't collect any more than you are required to,” he told them.