Full Idea
The doctrine of being, of things, of all sorts of fixed unities is a hundred times easier than the doctrine of becoming, of development.
Gist of Idea
The nature of being, of things, is much easier to understand than is becoming
Source
Friedrich Nietzsche (The Will to Power (notebooks) [1888], §238)
Book Reference
Nietzsche,Friedrich: 'The Will to Power', ed/tr. Kaufmann,W /Hollingdate,R [Vintage 1968], p.291
A Reaction
I don't know if he intended it, but this is a fierce shaft hurled at Aristotle, who gives a wonderful essentialist account of the nature of things, but can offer nothing more on becoming than the doctrine of potentiality and actuality.