“The worst vice of a fanatic is his sincerity.”
Oscar Wilde
“There is no strong performance without a little fanaticism in the performer.”
Ralph Waldo Emerson
“A celibate clergy is an especially good idea, because it tends to suppress any hereditary propensity toward fanaticism.”
Dr. Carl Sagan
“We discover (in the gospels) a groundwork of vulgar ignorance, of things impossible, of superstition, fanaticism and fabrication”
Thomas Jefferson
“In morals what begins in fear usually ends in wickedness; in religion what begins in fear usually ends in fanaticism. Fear, either as a principle or a motive, is the beginning of all evil.”
Anna Jameson
“Fanaticism is overcompensation for doubt.”
Robertson Davies
“The future of a movement is conditioned by the fanaticism, yes, the intolerance, with which its adherents uphold it as the sole correct movement, and push it past other formations of a similar sort”
Adolf Hitler