Whether you impact a million people or one person -- you're having an impact. Imagine if every person today just touched the life of one other person? The outcome would be incredible! So what are you waiting for? Why settle for "almost" doing what you love? Almost changing the world?
You can sit there and hope, pray, project, imagine, fantasize, visualize, make up great affirmations and just about any other kind of positive thinking idea you can imagine, and not much will change - at least not without actually getting involved, without taking some form of action towards what you want more of in your life.
Many people feel trapped by their circumstances. The main problem we need to address when feeling trapped, is the feeling of being trapped - not the circumstances, per se, but what we tell ourselves when we find ourselves in that trapped set of feelings.