A small group of thoughtful people could change the world. Indeed, it's the only thing that ever has.

Never doubt that a small group of thoughtful, committed citizens can change the world; indeed, it's the only thing that ever has.

Don't ever forget that a small group of thoughtful people can change the world, it's the only thing that ever has.

Never believe that a few caring people can't change the world. For, indeed, that's all who ever have.

I was brought up to believe that the only thing worth doing was to add to the sum of accurate information in the world.

The world hates change, yet it is the only thing that has brought progress.