Full Idea
Are sense-data the material of which the universe is made?
Gist of Idea
Are sense-data the material of which the universe is made?
Source
Ludwig Wittgenstein (Philosophical Investigations [1952], §401)
Book Reference
Wittgenstein,Ludwig: 'Philosophical Investigations', ed/tr. Anscombe,E. [Blackwell 1972], p.121
A Reaction
Presumably the question is meant to be absurd, and to a realist it is. You can't serious think that a filing cabinet is made of sensations.