Act Only According To That

Philosophical Knowledge Is The Knowledge Gained By Reason From Concepts ; Mathematical Knowledge Is The Knowledge Gained By Reason From The Construction Of Concepts.

So Act That Anything You Do May Become Universal Law.

With Men, The State Of Nature Is Not A State Of Peace, But War.

At Some Future Day It Will Be Proved, I Cannot Say When And Where, That The Human Soul Is, While In Earth Life, Already In An Uninterrupted Communication With Those Living In Another World.

Two Things Strike Me Dumb: The Infinite Starry Heavens, And The Sense Of Right And Wrong In Man.