School education is very important and useful. 1 no one can learn everything from school. A2, no matter how much he knows, can not teach his students everything they want to know.
It's 3 important for teachers to show their students how to learn than to make them 4 a certain fact or a formula(公式), so that they will learn much more outside school by 5. Great scientists before us didn't get everything from school. Their teachers only showed them the 6. Edison didn't even finish primary school. But he was so 7. He invented so many things 8 human beings. The 9 to their success is that they knew how to learn, worked hard and wasted not a single moment all their lives. And above all. They knew how to 10 their brain(大脑).