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Fear and its companion pain are two of the most.useful things that men and animalspossess,if they are properly used.If fire did not hurt when it burnt,children(1)play with it until their hands were burnt away,(2),if pain existed but fear did not,a child would burn itself again and again,because fear would not warn it to(3)away from the fire that had burnt it before.Fear and pain are therefore two guards(4)which men and animals might soon die out.
If,(5),you never go out of your house(6)of the danger of being knocked down and killed in the street by a car,you are letting fear rule you too(7).Even in your house you are not absolutely(8):an airplane may crash on your house or you may get cancer! The important thing is not to let fear(9)you,but instead to use fear as your servant and guide.Fear will warn you of the dangerous;then you have to decide what action to(10).
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