I am writing a book about the Crusades so dull that I can scarcely write it.

- Hilaire Belloc

The crusades made great improvement in the condition of the serfs.

- John Lothrop Motley

During the crusades all were religious mad, and now all are mad for want of it.

- J. G. Stedman

If there ever was a religious war full of terror, it was the crusades. But you can't blame Christianity because a few adventurers did this. That's my message.

- Moustapha Akkad