It Would Be As Useless To Perceive

Each Part Of The Mind Sees Only A Little Of What Happens In Some Others, And That Little Is Swiftly Refined, Reformulated And "represented." We Like To Believe That These Fragments Have Meanings In Themselves - Apart From The Great Webs Of Structure From Which They Emerge - And Indeed This Illusion Is Valuable To Us Qua Thinkers - But Not To Us As Psychologists - Because It Leads Us To Think That Expressible Knowledge Is The First Thing To Study.

What Would A Martian Visitor Think To See A Human Being Laugh? It Must Look Truly Horrible: The Sight Of Furious Gestures, Flailing Limbs, And Thorax Heaving In Frenzied Contortions.

How Many Processes Are Going On, To Keep That Teacup Level In Your Grasp? There Must Be A Hundred Of Them.

Good Theories Of The Mind Must Span At Least Three Different Scales Of Time: Slow, For The Billions Of Years In Which Our Brains Have Survivied; Fast, For The Fleeting Weeks And Months Of Childhood; And In Between, The Centuries Of Growth Of Our Ideas Through History.

This Is A Tricky Domain Because, Unlike Simple Arithmetic, To Solve A Calculus Problem - And In Particular To Perform Integration - You Have To Be Smart About Which Integration Technique Should Be Used: Integration By Partial Fractions, Integration By Parts, And So On.