en_tn_condensed/jhn/06/42.md

Is not this Jesus son of Joseph, whose father and mother we know?

This remark appears in the form of a question to emphasize that the Jewish leaders believe that Jesus is no one special. Alternate translation: "This is just Jesus, the son of Joseph, whose father and mother we know! (See: rc://en/ta/man/translate/figs-rquestion)

How then does he now say, 'I have come down from heaven'?

This remark appears in the form of a question to emphasize that the Jewish leaders do not believe that Jesus came from heaven. Alternate translation: "He is lying when he says that he came from heaven!" (See: rc://en/ta/man/translate/figs-rquestion)