"A certain mother habitually rewards her small son with ice-cream after he eats his spinach. What additional information would you need to be able to predict whether the child will:
a. Come to love or hate spinach,
b. Love or hate ice-cream,
c. Love or hate Mother?"
《Steps to an Ecology of Mind》Gregory Bateson (1904-1980)
I'd spent one day to figure out what he is talking about .....
1st & 2nd-order cybernetics