One of the advocates of Positive Thinking once wrote: "when either failure or success is picturised it strongly tends to actualize in terms equivalent to the mental image pictured" - Norman Vincent Peale. This is so true because every dream or every fine product that ever existed started as a single thought that was cultured and built until it materialized. Kids in schools are encouraged to come up with vision boards because the secret is if you keep seeing what/how you want your future to look like that picture becomes part of your conscious and everything that you do daily will ensure that it is in line with what you desire for the future.
If you have dream, hold on to it, print a picture of it on your mind, continue working hard and smart so that your dream transforms into reality. No wonder the famous quote exists "The future belongs to those who believe in the beauty of their dreams" by Eleanor Roosevelt.
So, the process is: VISUALIZE, BELIEVE, WORK/ACTION/BUILD and TRANSFORM will the occur.