An infallible method of making fanatics is to persuade before you instruct

To announce truths is an infallible receipt for being persecuted.

What will the preachers say? ... to teach men not to persecute men: for, while a few sanctimonious humbugs are burning a few fanatics, the earth opens and swallows up all alike.

An infallible method of conciliating a tiger is to allow oneself to be devoured.

Fanaticism, the false fire of an overheated mind.

Fanaticism is . . . overcompensation for doubt.