And Tom Knight and the Lisp Machine: http://www.catb.org/jargon/html/koans.html#id3141171 http://www.catb.org/jargon/html/koans.html#id3141171 > A novice was t

And Tom Knight and the Lisp Machine: http://www.catb.org/jargon/html/koans.html#id3141171 http://www.catb.org/jargon/html/koans.html#id3141171 > A novice was trying to fix a broken Lisp machine by turning the power off and on. > Knight, seeing what the student was doing, spoke sternly: “You cannot fix a machine by just power-cycling it with no understanding of what is going wrong.” > Knight turned the machine off and on. > The machine worked.