Full Idea
The people demand from a philosopher that he not lie: for they believe that only the truthful can recognise the truth.
Gist of Idea
The people think philosophers should never lie, because only the truthful know truth
Source
Friedrich Nietzsche (Fragments from 1886-87 (v 17) [1887], 5[033])
A Reaction
I would say that no one could be a philosopher if they are not appalled by unnecessary lies. I get the slight impression that Nietzsche doesn't agree. He probably had a different concept of lying.
Book Reference
Nietzsche,Friedrich: 'Fragments from 1886-87 (v 17)', ed/tr. Leiner, George H. [Stanford 2025], p.12