Fanaticism consists of redoubling your efforts when you have
forgotten your aim.

Fanaticism consists of redoubling your efforts when you have
forgotten your aim.

There is no place in a fanatic's head where reason can enter.

There is no place in a fanatic's head where reason can enter.

There is nobody as enslaved as the fanatic, the person in whom one impulse, one value, has assumed ascendancy over read more

There is nobody as enslaved as the fanatic, the person in whom one impulse, one value, has assumed ascendancy over all others.

The worst vice of a fanatic is his sincerity.

The worst vice of a fanatic is his sincerity.

The fanatic is incorruptible: if he kills for an idea, he can just as well get himself killed for one; read more

The fanatic is incorruptible: if he kills for an idea, he can just as well get himself killed for one; in either case, tyrant or martyr, he is a monster.

As any action or posture long continued will distort and
disfigure the limbs; so the mind likewise is crippled read more

As any action or posture long continued will distort and
disfigure the limbs; so the mind likewise is crippled and
contracted by perpetual application to the same set of ideas.

A fanatic is one who can't change his mind and won't change the subject.

A fanatic is one who can't change his mind and won't change the subject.

Fanatical religion driven to a certain point is almost as bad as
none at all, but not quite.

Fanatical religion driven to a certain point is almost as bad as
none at all, but not quite.

In the history of mankind, fanaticism has caused more harm than vice

In the history of mankind, fanaticism has caused more harm than vice