William Grey Walter

"xperiments with a simple little machine, designed to mimic certain elementary features of animal behavior... Consisting only of two vacuum tubes, two motors, a photoelectric cell and a touch contact, …"

"The mechanism of learning is of course one of the most enthralling and baffling mysteries in the field of biology."

"In the dark ages before the invention of the electronic vacuum tube there were many legends of living statues and magic pictures. One of the commonest devices of sorcerers and witches was the model of…"

"In any case there is an intense modern interest in machines that imitate life. The great difference between magic and the scientific imitation of life is that where the former is content to copy exter…"

"The first notion of constructing a free goal-seeking mechanism goes back a wartime talk with the psychologist,, whose untimely death was one of the greatest losses Cambridge has suffered in years. Whe…"

"Rapidly going over what I could recall of Jim Bursley's information about pathological curves confirmed the conjecture. The snowball curve, derived from an equilateral triangle, is a perimeter of infi…"

"Not in looks, but in action, the model must resemble an animal. Therefore it must have these or some measure of these attributes: exploration, curiosity, free-will in the sense of unpredictability, go…"

"because they illustrate particularly the exploratory, speculative behaviour that is so characteristic of most animals."