Full Idea
Knowledge and wisdom have no value as such; nor does goodness: one must always first have a goal that confers value or disvalue on these qualities.
Gist of Idea
Knowledge, wisdom and goodness only have value relative to a goal
Source
Friedrich Nietzsche (Writings from Late Notebooks [1887], 11[122])
Book Reference
Nietzsche,Friedrich: 'Writings from the Late Notebooks', ed/tr. Bittner,Rüdiger [CUP 2003], p.225
A Reaction
So what goals should we have? Nietzsche talks about the 'enhancement of life', but what is that, and why should we want it? There may be an ecological cost to enhancing human life.