Full Idea
All understanding is an immediate apprehension of the causal relation.
Gist of Idea
All understanding is an immediate apprehension of the causal relation
Source
Arthur Schopenhauer (Abstract of 'The Fourfold Root' [1813], Ch.IV)
Book Reference
Schopenhauer,Arthur: 'The World as Will and Idea', ed/tr. Berman,Jill and David [Everyman 1995], p.271
A Reaction
Based, I take it, on Hume. Presumably he means a posteriori understanding, as it hardly fits an understanding of arithmetic. Understanding needs more than just causation. What aspects of causation?