Not to want to be shrewd, as psychologists; indeed we mustn ‘t be shrewd … Anyone who wants to snatch little advantages from his knowledge, from his experience of men (- or large advantages, like the politician -) moves back from the general to the most particular case; but this kind of viewpoint is contrary to that other one, the only one we can make use of: we look outwards from the most particular –
Nietzsche (Writings from the Late Notebooks, p. 159)
The Uncarved 