Shared ground
Jesus’s location and movement are presented as deliberate and shaped by danger and timing. He stays in Galilee because people in Judea want to kill him. The approach of the Feast of Booths creates pressure to go to Jerusalem, but Jesus does not simply follow social expectations.
Jesus’s brothers push him to “go public,” arguing that public recognition requires public actions. The narrator then gives an explanatory note: they do not believe in him. Jesus’s reply contrasts his situation with theirs: his is not yet here, and the “world” is hostile to him because he exposes its evil.
Where interpretation differs
Who “the Jews” are in v. 1. Many readers take the phrase to mean the Judean leadership circles centered in Jerusalem, since the threat is organized and tied to Judea. Others read it more broadly as “people in Judea” without narrowing it to leaders, because the text itself does not specify a subgroup.
What “brothers” means in vv. 3–5. Some understand this as Jesus’s natural brothers (members of his immediate household). Others take it as broader male relatives within the family network. Either way, the point in the paragraph is their proximity to Jesus and their lack of belief at this stage.
What “world” means in vv. 4, 7. In v. 4 it can sound like “the public at large.” In v. 7 it clearly carries a moral dimension: the sphere of human life that resists being exposed and therefore “hates” Jesus.
Why the disagreement exists
John uses short, loaded terms (“the Jews,” “brothers,” “world”) without always defining boundaries in the immediate scene. Readers must infer referents from the wider Gospel and from the logic inside this paragraph: threat in Judea, family pressure at home, and hostility toward Jesus’s testimony.
What this passage clearly contributes
It shows a gap between public expectations of publicity and Jesus’s own sense of fitting timing. It also reinforces a Johannine theme: Jesus’s conflict is not mainly about attention or strategy, but about what his testimony reveals—he names human works as evil, and that exposure draws hostility. Finally, the narrator’s comment that his brothers “didn’t believe” frames the family pressure as misunderstanding rather than wise counsel, setting up later developments in the story.