CHANGE
Change means that what was before wasn't perfect. People want things to be better.
CHANGE, CHANGE MEANS THAT WAS BEFORE WASN'T PERFECT
If you change the way you look at things, the things you look at change.
CHANGE, IF YOU CHANGE THE WAY YOU LOOK AT THINGS
Never believe that a few caring people can't change the world. For, indeed, that's all who ever have.
They must often change, who would be constant in happiness or wisdom.
CHANGE, CONSTANT IN HAPPINESS OR WISDOM
One must change one's tactics every ten years if one wishes to maintain one's superiority.
one must change, tactics, ten years, wishes, maintain