A Novice Was Trying To Fix A Broken Lisp Machine By Turning The Power Off And On.

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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.

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