某英文网站正在开展“目标指引我前行”为主题的征文活动，假如你是李华，请你用英语写一篇短文投稿，谈谈你的目标是什么，你打算

 Living without a goal is like sailing without a compass。 So I have my life goal。I want to be an excellent doctor in a big hospital。Because I want to help people to live healthier and longer。 To achieve this goal,I will overcome all difficulties。I'm going to try my best to study hard and become the best student in our class。 Then I'm going to go for a top medical university in China。I plan to read as many books as I can to get knowledge in my spare time。 What's more,I will exercise more to make me stronger and stronger。I'l never give up,I'm sure I can achieve my goal in the future。