Duty Is The Necessity To Act Out

The Evil Effect Of Science Upon Men Is Principally This, That By Far The Greatest Number Of Those Who Wish To Display A Knowledge Of It Accomplish No Improvement At All Of The Understanding, But Only A Perversity Of It, Not To Mention That It Serves Most Of Them As A Tool Of Vanity.

Reason In A Creature Is A Faculty Of Widening The Rules And Purposes Of The Use Of All Its Powers Far Beyond Natural Instinct; It Acknowledges No Limits To Its Projects. Reason Itself Does Not Work Instinctively, But Requires Trial, Practice, And Instruction In Order Gradually To Progress From One Level Of Insight To Another.

Every Man Is To Be Respected As An Absolute End In Himself; And It Is A Crime Against The Dignity That Belongs To Him As A Human Being, To Use Him As A Mere Means For Some External Purpose.

The Inscrutable Wisdom Through Which We Exist Is Not Less Worthy Of Veneration In Respect To What It Denies Us Than In Respect To What It Has Granted.

The Instruction Of Children Should Aim Gradually To Combine Knowing And Doing. Among All Sciences Mathematics Seems To Be The Only One Of A Kind To Satisfy This Aim Most Completely.