Many people go to school education. School education is important and useful, but no one learn from everything at school. No matter how many you learn at school, it is limited. So much more was to be learned outside school by students themselves all their lives. It is always important to to know to learn something that to get a good exam result. many great scientists and statesmen didn't get anything from school. For examples, Edison and Lincoln didn't even made primary school. But they were so success that they made great contributions to mankind. They read a lot of and did thousands of experiments to test their ideas.