Full Idea
Everything of which we become conscious is a terminal phenomenon, an end - and causes nothing.
Gist of Idea
Consciousness is a terminal phenomenon, and causes nothing
Source
Friedrich Nietzsche (The Will to Power (notebooks) [1888], §478)
Book Reference
Nietzsche,Friedrich: 'The Will to Power', ed/tr. Kaufmann,W /Hollingdate,R [Vintage 1968], p.265
A Reaction
This appears to endorse epiphenomenalism - which I take to be an incoherent concept. How can becoming fully aware of something, rather than subliminally or subconsciously aware, make no difference at all? If it exists, it has causal powers.