From The Mouths of Great Leaders
If you are looking for excellent leadership quotes from well known leaders, you might want to take a look at this relatively short three to four minute video intended to provide some inspiration.
Quoted leaders include a diverse set of people running from Genghis Kahn to Tom Peters. Set to some inspirational leader type music. Among the quotes from people who are well regarded by most is one by Adolf Hitler, which is certainly jarring.