We can never know what strengths and revelations might be on the other side of our fears until we face them and feel them all the way through. True positive thinking is the mental stance of surrender, simply trusting the process. We learn to accept what is.
If we just worry about the big picture, we are powerless. So my secret is to start right away doing whatever little work I can do. I try to give joy to one person in the morning, and remove the suffering of one person in the afternoon. If you and your friends do not despise the small work, a million people will remove a lot of suffering.