I Wrote An Ad For Apple Computer:

Really, The Moment You Have Any Idea, The Second Thought That Enters Your Mind After The Original Idea Is, "what Is This? Is It A Book, Is It A Movie, Is It A This, Is It A That, Is It A Short Story, Is It A Breakfast Cereal?" Really, From That Moment, Your Decision About What Kind Of Thing It Is Then Determines How It Develops.

It Is Worth Repeating At This Point The Theories That Ford Had Come Up With, On His First Encounter With Human Beings, To Account For Their Peculiar Habit Of Continually Stating And Restating The Very Very Obvious, As In "it's A Nice Day," Or "you're Very Tall," Or "so This Is It, We're Going To Die." His First Theory Was That If Human Beings Didn't Keep Exercising Their Lips, Their Mouths Probably Shriveled Up. After A Few Months Of Observation He Had Come Up With A Second Theory, Which Was This--"if Human Beings Don't Keep Exercising Their Lips, Their Brains Start Working.

Life... Is Like A Grapefruit. Well, It's Sort Of Orangey-yellow And Dimpled On The Outside, Wet And Squidgy In The Middle. It's Got Pips Inside, Too. Oh, And Some People Have Half A One For Breakfast.

A Common Mistake That People Make When Trying To Design Something Completely Foolproof Is To Underestimate The Ingenuity Of Complete Fools.

Ford Prefect Suppressed A Little Giggle Of Evil Satisfaction, Realized That He Had No Reason To Suppress It, And Laughed Out Loud, A Wicked Laugh.