Many people go to school to receive

Many people go to school to receive an education. They learn languages, history, physics, chemistry, and math. Others go to school to learn a skill so that they can make a living. School education is very important and useful. Yet, no one can learn everything from school. A teacher, no matter how much he knows, cannot teach his students everything they want to know. The teacher's job is to show his students how to learn. He teaches them how to read and how to think. So, much more is to be learned outside school by the students themselves. It is more important to know how to study by oneself than to know only some facts or formulas (公式). It is in fact quite easy to learn a certain fact in history or a formula in math. But it is very difficult to use a formula in working out a math problem. Great scientists before us didn't get everything from school. Their teachers only showed them the way. But they were all so successful and invented so many things for us. The reason for their success is that they knew how to study. They read books that were not taught at school and they asked many questions. They worked hard all their lives, never wasting time. Above all, they knew how to use their brain.