One Can Acquire Certainty Only

Theorems Often Tell Us Complex Truths About The Simple Things, But Only Rarely Tell Us Simple Truths About The Complex Ones. To Believe Otherwise Is Wishful Thinking Or "mathematics Envy."

When David Marr At Mit Moved Into Computer Vision, He Generated A Lot Of Excitement, But He Hit Up Against The Problem Of Knowledge Representation; He Had No Good Representations For Knowledge In His Vision Systems.

Common Sense Is Not A Simple Thing. Instead, It Is An Immense Society Of Hard-earned Practical Ideas - Of Multitudes Of Life-learned Rules And Exceptions, Dispositions And Tendencies, Balances And Checks.

It Would Be As Useless To Perceive How Things 'actually Look' As It Would Be To Watch The Random Dots On Untuned Television Screens.

By The Way, It Was His Simulations That Helped Out In Jurassic Park - Without Them, There Would Have Been Only A Few Dinosaurs. Based On His Techniques, Industrial Light And Magic Could Make Whole Herds Of Dinosaurs Race Across The Screen.