I'm going to finish undergrad in a year and I'm almost sure I can make it to a good university, in fact the best in my country. You may say its too soon for worrying about grad school now but I have reasons for that. I really like physics and I want to stay in it. I mean, after being introduced to physics when I was at high school, my life changed somehow that I now hardly can imagine my life without physics ( or even a little physics!!!), I mean I can't imagine doing something other than physics. And by doing physics, I mean teaching in a university and doing research. I love both. But I somehow feel maybe I'm not going to be good enough. Not good enough for being graduated. I mean good enough for myself. I really expect a lot from myself and I really don't want to disappoint myself. You may think I'm just overestimating myself. Well, that may be true, but that's reasonable. When I look at other physics undergrads, and sometimes master students, I really feel that I know much more. I don't know what do you guys think about me and how much do I know. Of course its very easy to get lost among people I see here and so I really understand it if you guys think I'm not that good but I'm comparing myself to people I see around myself. I think to myself if they can make it, I should do far more than just making it! And that's scaring me. What if I don't? I'll be really disappointed because I...you know...spent lots of time on physics that there is little else I know ( Well, I know programming in several languages and also a little math(by this little math,I mean the parts not needed by physics), but I meant things more practical than these). Before, I studied physics because I enjoyed it. I mean things other than the ones I should study for undergrad. But I'm starting to feel that my reason has changed. It seems now I study because I want to be far ahead than other grad students when I get to grad school. I want to do much more research and write much more papers. I want to be really good. Hard to say why!!! Any ideas or suggestions or anything else?