In order to achieve our dream, we need to have a lot of patient. I think it is very important to have a strong and concrete base to build up the dreams. Sometimes, our desire to achive something or to get something make us feel upset and then resulted dissappointment.
This is the problem that we wanted to avoid. So I suggest that build the dream in the level that you can bit by bit. To achive the big goal, target the small goal first. Once the small goals done, you will find that you will be much motivated to go further.
ps: positive, negative both important and both are life! :D