A fanatic is a man that does what he thinks the Lord would do if He knew the facts of the case.
-Finley Peter Dunne
A fanatic is one who can’t change his mind and won’t change the subject.
Fanaticism consists in redoubling your efforts when you have forgotten your aim.
Fanatic is often the name given to people of action by people who are lazy.
-Bryant H. McGill
A fanatic is always the fellow on the other side.