Who said "Beware of those in whom the desire to punish is strong."?

This quote is attributed to Zarathustra.

Beware of those in whom the desire to punish is strong. - Zarathustra

"Beware of those in whom the desire to punish is strong."

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."