Who said "When you have a why for life, you can bear almost any how."?

This quote is attributed to Zarathustra.

When you have a why for life, you can bear almost any how. - Zarathustra

"When you have a why for life, you can bear almost any how."

Zarathustra Motivation

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."

"I believe in working hard for what you want."

"Never underestimate the power of determination."

"I don't need a reason to fight."

"The most important thing is the mission. Nothing else matters."