Who said "Distrust all in whom the impulse to punish is powerful."?

This quote is attributed to Zarathustra.

Distrust all in whom the impulse to punish is powerful. - Zarathustra

"Distrust all in whom the impulse to punish is powerful."

Zarathustra Justice

Character in Thus Spoke Zarathustra

"I teach you the Übermensch. Man is something that shall be overcome."

"One must have chaos within oneself to give birth to a dancing star."

"The snake that cannot shed its skin perishes."

"I love those who do not first look behind into the past before they look down at the abyss."

"Justice must always prevail."

"You think I'm just some animal?"

"Fighting for what's right never gets easier."

"Justice is worth fighting for."