Never believe that a few caring people can't change the world. For, indeed, that's all who ever have.
A small group of thoughtful people could change the world. Indeed, it's the only thing that ever has.
When we are no longer able to change a situation - we are challenged to change ourselves.
The greatest discovery of all time is that a person can change his future by merely changing his attitude.
You are always free to change your mind and choose a different future, or a different past.