Jesus Preached his First Sermon Sitting on the Mount.
And, seeing the multitude, he went up into a mountain, and when he was set his disciples came unto him. And he opened his mouth and taught them, saying. ([Mat. 5 : 1, 2].)
He Preached his First Sermon Standing in the Plain.
And he came down with them and stood in the plain; and the company of his disciples and a great multitude of people ... came to hear him.... And he lifted up his eyes on his disciples and said. ([Luke 6 : 17, 20].)
John was in Prison when Jesus went into Galilee.
Now, after that John was put in prison, Jesus came into Galilee, preaching the gospel of the kingdom of God. ([Mark 1 : 14].)
John was Not in Prison when Jesus went into Galilee.
The day following Jesus would go forth into Galilee. ([John 1 : 43].)
After these things came Jesus and his disciples into the land of Judea.... And John was also baptizing in Enon.... For John was not yet cast into prison. ([John 3 : 22, 23, 24].)