Full Idea
Nietzsche thought profoundly mistaken a taxonomy that classified actions as the doing of this or that, insisting that the true nature of an action depended rather on the nature of the individual who did it.
Gist of Idea
Nietzsche classified actions by the nature of the agent, not the nature of the act
Source
report of Friedrich Nietzsche (Works (refs to 8 vol Colli and Montinari) [1885], 7) by Philippa Foot - Natural Goodness 7
Book Reference
Foot,Philippa: 'Natural Goodness' [OUP 2003], p.110
A Reaction
This is more in the spirit of Aristotle than in the modern legalistic style. It seems to totally ignore consequences, which would puzzle victims or beneficiaries of the action.