There Can Be No Doubt That All

All Our Knowledge Begins With The Senses, Proceeds Then To The Understanding, And Ends With Reason. There Is Nothing Higher Than Reason.

Act So That The Maxim Of Your Act Could Be Made The Principle Of A Universal Law.

Out Of The Crooked Timber Of Humanity, No Straight Thing Was Ever Made.

An Action, To Have Moral Worth, Must Be Done From Duty.

But Although All Our Knowledge Begins With Experience, It Does Not Follow That It Arises From Experience.