Who said "The snake which cannot cast its skin has to die."?

This quote is attributed to Zarathustra.

The snake which cannot cast its skin has to die. - Zarathustra

"The snake which cannot cast its skin has to die."

Zarathustra Change

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."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."