Human Beings Are Never To Be Treated

Enlightenment Is Man's Emergence From His Self-imposed Immaturity...no Thing Is Required For This Enlightenment.. .except Freedom; And The Freedom In Question Is The Least Harmful Of All, Namely, The Freedom To Use Reason Publicly In All Matters.

If Man Makes Himself A Worm He Must Not Complain When He Is Trodden On.

The Science Of Mathematics Presents The Most Brilliant Example Of How Pure Reason May Successfully Enlarge Its Domain Without The Aid Of Experience

There Is A Limit Where The Intellect Fails And Breaks Down, And This Limit Is Where The Questions Concerning God And Freewill And Immortality Arise.

Act Only According To That Maxim Whereby You Can At The Same Time Will That It Should Become A Universal Law.