God: Personified Incomprehensibility.

There Is A Great Difference Between Believing In Something And Believing In It Again.

Everyone Should Study At Least Enough Philosophy And Belles-lettres To Make His Sexual Experience More Delectable.

It Is In Most Cases More Difficult To Make Intelligent People Believe That You Are What You Are Not, Than Really To Become What You Would Appear To Be.

We Have To Believe That Everything Has A Cause, As The Spider Spins Its Web In Order To Catch Flies. But It Does This Before It Knows There Are Such Things As Flies.

The Natural Scientists Of The Previous Age Knew Less Than We Do And Believed They Were Very Close To The Goal: We Have Taken Very Great Steps In Its Direction And Now Discover We Are Still Very Far Away From It. With The Most Rational Philosophers An Increase In Their Knowledge Is Always Attended By An Increased Conviction Of Their Ignorance.