Who said "The work of a warrior is never done."?

This quote is attributed to Crazy Horse.

The work of a warrior is never done. - Crazy Horse

"The work of a warrior is never done."

Crazy Horse Work

Military Warrior Native American 1840–1877

"A warrior's heart knows no defeat."

"The earth is the mother of all people."

"We did not ask you white men to come here. The Great Spirit gave us this country as a home."

"Behold, I am poor and naked, but I am the chief of the nation."

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."