The Love Song of J. Alfred Prufrock A Poem by T.S. Eliot www.poetryfoundation.org A pair of ragged clawsDo I dare disturb the universe?That is not it at allI have heard the mermaids singing lonelinessmelancholy
The Waste Land A Poem by T.S. Eliot www.poetryfoundation.org HURRY UP PLEASE ITS TIMEA handful of dustWho walks beside you?Has it begun to sprout?Fragments solitudesociety
Human kind cannot bear very much reality A Fragment by T.S. Eliot www.coldbacon.com Go, go, go, said the bird: human kind Cannot bear very much reality. Time past and time future What might have been and what has been Point to one end, which is always present. realitytime
What's wrong with the rational model We Don’t Really Know the Goal When We Start We Usually Don’t Know the Decision Tree – We Discover It as We Go The Nodes Are Really Not Design Decisions, but Tentative Complete Designs The Goodness Function Cannot be Evaluated Incrementally The Desiderata and Their Weightings Keep Changing The Constraints Keep Changing Frederick P. Brooks, Jr., What's Wrong With This Model? Changing constraintsDeciding what to designThe situation talks back