“We have to be careful that in throwing out the devil, we don’t throw out the best part of ourselves” (Nietzsche)
(https://www.goodreads.com/quotes/8599516-we-have-to-be-careful-that-in-throwing-out-the)
To paraphrase, Nietzsche says that if we had completely get rid of the devil inside ourselves, life wouldn’t be worth living!
We must channel innate evil instincts built into the human psyche, and its enjoyment of various types of power, into humane ends, dictated by the (do no) harm principle (Mill).
Henry Willoughby's Social Justice Blog 