What is objectionable, what is dangerous about extremists is not that they are extreme, but that they are intolerant. The evil is not what they say about their cause, but what they say about their opponents.

There is no arguing with the pretenders to a divine knowledge and to a divine mission. They are possessed with the sin of pride, they have yielded to the perennial temptation.

The true inquisitor is a creature of policy, not a man of blood by taste.

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

When you've got a Chautauqua in your head, it's extremely hard not to inflict it on innocent people.

Belief in a Divine mission is one of the many forms of certainty that have afflicted the human race.

Fanaticism consists in redoubling your effort when you have forgotten your aim.

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

There is no doubt that religious fanatics have done more to prejudice the cause they affect to advocate than have its opponents.

A fanatic is a man that does what he thinks th' Lord wud do if He knew th' facts iv th' case.