Shared ground
The scene highlights a public crisis in the royal court: Belshazzar calls in his full group of experts, but they cannot even read the message, much less explain it (explicit). Their failure is not private; it happens in front of the king’s leadership, and it immediately raises the anxiety level in the room (explicit).
The passage also draws a line between human expertise and its limits. The “wise men” are presented as the normal, official solution for hard problems, yet here they have no access to the message and no ability to give the king clarity (inference from the court setting and their double failure).
Where interpretation differs
Interpreters differ mainly on why the wise men cannot read the writing. Some argue the letters or language were unfamiliar to them (for example, a script or dialect outside their training). Others think the issue was more extraordinary: the message was deliberately inaccessible until God’s chosen interpreter arrived, so the experts’ inability is part of the divine control of the moment.
A smaller difference concerns “all the wise men.” Some take it as a literal statement that the entire body of court experts came. Others treat it as normal storytelling emphasis meaning “the full official lineup,” without pressing it as a headcount.
Why the disagreement exists
The text states the failure but does not explain the mechanism: it gives no details about the script, the language, visibility, or the exact nature of the writing. Likewise, “his face was changed” reports an outward effect without specifying whether this means color, expression, or composure.
What this passage clearly contributes
These verses set up a contrast the story will use: official court wisdom cannot access or resolve the crisis, and the king’s authority looks fragile when his trusted system fails (inference grounded in the public setting). The narrative also shows fear spreading from the king to his officials, portraying a court destabilized by an unreadable, uninterpreted message (explicit). This prepares for the next stage of the story, where another source of insight will be needed (inference).