Full Idea
To appreciate and love anything, I must understand it as absolutely necessarily connected with everything that is - therefore I must affirm the goodness of all existence for its own sake.
Gist of Idea
If you love something, it is connected with everything, so all must be affirmed as good
Source
Friedrich Nietzsche (Unpublished Notebooks 1884-85 [1884], 26[117])
Book Reference
Nietzsche,Friedrich: 'Fragments from 1884-85 (v 15)', ed/tr. Loeb,P.S./Tinsley,D.F. [Stanford 2022], p.164
A Reaction
For those of you out there imagining that Nietzsche was a nihilist…… It's a plausible idea. You could hardly love your dog, but hate the whole universe. A true misanthrope would struggle to love one exceptional person.