We do not have to become heroes overnight.
Just a step at a time, meeting each thing that comes up,
  seeing it is not as dreadful as it appears,
  discovering that we have the strength to stare it down.

The thing to always remember,
  is that you must do the thing you think you cannot do.

Eleanor Roosevelt
Page 95, No Ordinary Time, Doris Kearns Goodwin, Simon & Schuster, New York, 1994.