Full Idea
The total value of the world is unevaluable, consequently philosophical pessimism is among the comical things.
Gist of Idea
Pessimism is laughable, because the world cannot be evaluated
Source
Friedrich Nietzsche (Writings from Late Notebooks [1887], 11[72])
Book Reference
Nietzsche,Friedrich: 'Writings from the Late Notebooks', ed/tr. Bittner,Rüdiger [CUP 2003], p.212
A Reaction
Nietzsche always has Schopenhauer in mind when he laughs at pessimism. Presumably, by the same token, optimism would be equally ridiculous. But how can Nietzsche's dynamic hopes for the future operate without optimism?