Who said "Monotony in work deadens the soul; variety awakens it."?

This quote is attributed to Hugo Münsterberg.

Monotony in work deadens the soul; variety awakens it. - Hugo Münsterberg

"Monotony in work deadens the soul; variety awakens it."

Hugo Münsterberg Work

Psychologist & Consultant German-American 1863–1916

"Psychology is the science of the human soul."

"The purpose of life is to develop the best that is in you."

"Education should prepare the individual for his vocational life."

"Work is the greatest teacher of character."

"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."