You can not knowledge,but you can't to try My friend is Taiwanese,He have two sons. He always said: he hope his sons have a skill enough,he hope them like to try in their life. I was born in China. My parents always hope me become a good student,good worker,good girl,good mother. They dont like me to try to do a new things.a new work， change a new lifestyle， Remember I buy a new car. Morning,my mother very angry call me :why to buy car?You dont konw the driver is so much not safe. I talk about to her:I am so young,you think we dont drive car in my whole life. Is this your think？ My Mother think about that allright. So didn't say what. Many people are always in the memories of the past,they always said:before, if I choose to try , now would be .... If you to try，you know you not lose somethings， So,let's to do,to try! You can not knowledge, but, you can't to try.