This quote is written / told by Barbara Tuchman between January 30, 1912 and February 6, 1989. He/she was a famous Historian from USA.
The author also have 15 other quotes.
"Not necessity, not desire - no, the love of power is the demon of men. Let them have everything - health, food, a place to live, entertainment - they are and remain unhappy and low-spirited: for the demon waits and waits and will be satisfied"