All Mankind's Unhappiness Derives From One Thing:

In Faith There Is Enough Light For Those Who Want To Believe And Enough Shadows To Blind Those Who Don't.

Nothing Is Thoroughly Approved But Mediocrity. The Majority Has Established This, And It Fixes Its Fangs On Whatever Gets Beyond It Either Way.

To Ridicule Philosophy Is Really To Philosophize.

There Are Hardly Any Truths Upon Which We Always Remain Agreed, And Still Fewer Objects Of Pleasure Which We Do Not Change Every Hour, I Do Not Know Whether There Is A Means Of Giving Fixed Rules For Adapting Discourse To The Inconstancy Of Our Caprices.

We Like To Be Deceived.