Being good at something and having a passion for it are not enough．Success (1)____fundamentally on our view of ourselves and of the(2)____in our lives． When twelve-year-old John Wilson walked into his chemistry class on a rainy day in 1931，he had no (3)____of knowing that his life was to change(4)____．The class experiment that day was to (5)____how heating a container of water would bring air bubbling(冒泡)to the surface．(6)____，the container the teacher gave Wilson to heat(7)____held something more volatile(易挥发的)than water．When Wilson heated it，the container(8)____，leaving Wilson blinded in both eyes． When Wilson returned home from hospital two months later，his parents (9)____to find a way to deal with the catastrophe that had (10)____their lives．But Wilson did not regard the accident as(11)____．He learned braille(盲文)quickly and continued his education at Worcester College for the Blind．There，he not only did well as a student but also became a(n)(12)____public speaker． Later，he worked in Africa，where many people suffered from(13)____for lack of proper treatment．For him，it was one thing to(14)____his own fate of being blind and quite another to allow something to continue (15)____it could be fixed so easily．This moved him to action．And tens of millions in Africa and Asia can see because of the(16)____Wilson made to preventing the (17)____． Wilson received several international (18)____for his great contributions．He lost his sight but found a(19)____．He proved that itˈs not what happens to us that(20)____ our lives—itˈs what we make of what happens．