Whatever we learn has a purpose and whatever we do affects everything and everyone else, if even in the tiniest way. Why, when a housefly flaps his wings, a breeze goes round the world; when a speck of dust falls to the ground, the entire planet weighs a little more; and when you stamp your foot, the earth moves slightly off its course. Whenever you laugh, gladness spreads like the ripples in the pond; and whenever you're sad, no one anywhere can be really happy. And it's much the same thing with knowledge, for whenever you learn something new, the whole world becomes that much richer.
Norton JusterBut why do only unimportant things?" asked Milo, who suddenly remembered how much time he spent each day doing them. "Think of all the trouble it saves," the man explained, and his face looked as if he'd be grinning an evil grin--if he could grin at all. "If you only do the easy and useless jobs, you'll never have to worry about the important ones which are so difficult. You just won't have the time. For there's always something to do to keep you from what you really should be doing, and if it weren't for that dreadful magic staff, you'd never know how much time you were wasting.
Norton JusterWhy, can you imagine what would happen if we named all the twos Henry or George or Robert or John or lots of other things? You'd have to say Robert plus John equals four, and if the four's name were Albert, things would be hopeless.
Norton JusterThe Mathemagician nodded knowingly and stroked his chin several times. โYouโll find,โ he remarked gently, โthat the only thing you can do easily is be wrong, and thatโs hardly worth the effort.
Norton Juster