It's not about how to achieve your dreams, its about how to lead your life. If you lead your life the right way the karma will take care of itself, the dreams will come to you.
Don't bail; the best pieces of gold are at the bottom of the barrel of crap.
Brick walls are there for a reason: they let us prove how badly we want things. Because the brick walls are there to stop the people who don't want it badly enough.
Experience is what you get when you don't get what you want.