No Opinion Has Ever Been Too Errant

Heretical Views Arise When The Truth Is Uncertain, And It Is Only When The Truth Is Uncertain That Censorship Is Invoked.

Neither Acquiescence In Skepticism Nor Acquiescence In Dogma Is What Education Should Produce.

I Think We Ought Always To Entertain Our Opinions With Some Measure Of Doubt. I Shouldn't Wish People Dogmatically To Believe Any Philosophy, Not Even Mine.

The Human Race May Well Become Extinct Before The End Of The Century.

Envy ... Is One Form Of A Vice, Partly Moral, Partly Intellectual, Which Consists In Seeing Things Never In Themselves But Only In Their Relations.