Full Idea
A high degree of power in the hands of the highest goodness would entail the most disastrous consequences ('the abolition of evil').
Gist of Idea
A combination of great power and goodness would mean the disastrous abolition of evil
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
This goes with Mackie's claim that the actual existence of evil is proof that an omnipotent and benevolent God can't exist (Idea 1472).
Related Idea
Idea 1472 The propositions that God is good and omnipotent, and that evil exists, are logically contradictory [Mackie, by PG]