Full Idea
The same text allows innumerable interpretations: there is no 'correct' interpretation.
Gist of Idea
A text has many interpretations, but no 'correct' one
Source
Friedrich Nietzsche (Unpublished Notebooks 1885-86 [1886], 1[120])
Book Reference
Nietzsche,Friedrich: 'Fragments from 1885-86 (v 16)', ed/tr. Del Caro,Adrian [Stanford 2020], p.287
A Reaction
It is hard to defend a 'correct' interpretation, but I think it is obvious to students of literature that some interpretations are very silly, such as reading things allegorically when there was no such intention.